Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-297-3721 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: MBEU141587, SS508807, SS5088-07, P30364, DHN 35-8, DHN35.8, DHN358, EAB1402, EB080, EB-080, EB820, EB-820, 033534, 035534A, 035534B, 1129E01 FIND 76, 1129E01FIND76, 12NH8, 12NH-8, 386B204008, 53601005, 53-60100-5, 60888911, 608889-11, 9937B402, 5310-00-297-3721, 00-297-3721, 5310002973721, 002973721

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-297-3721

Drawings & Photos | NSN 5310-00-297-3721


Demand History | NSN 5310-00-297-3721

Part Number Request Date QTY Origin
5310-00-297-3721 2024-09-256 23 Taiwan
5310-00-297-3721 2024-07-199 20 US
033534 2024-07-198 6999 DIBBS
1129E01 FIND 76 2024-07-198 6999 DIBBS
12NH-8 2024-07-198 6999 DIBBS
386B204008 2024-07-198 6999 DIBBS
DHN 35-8 2024-07-198 6999 DIBBS
DHN35.8 2024-07-198 6999 DIBBS
EB-080 2024-07-198 6999 DIBBS
EB820 2024-07-198 6999 DIBBS
EB-820 2024-07-198 6999 DIBBS
P30364 2024-07-198 6999 DIBBS
033534 2024-07-191 6999 DIBBS
1129E01 FIND 76 2024-07-191 6999 DIBBS
12NH-8 2024-07-191 6999 DIBBS
386B204008 2024-07-191 6999 DIBBS
DHN 35-8 2024-07-191 6999 DIBBS
DHN35.8 2024-07-191 6999 DIBBS
EB-080 2024-07-191 6999 DIBBS
EB820 2024-07-191 6999 DIBBS
EB-820 2024-07-191 6999 DIBBS
P30364 2024-07-191 6999 DIBBS
033534 2024-06-182 6999 DIBBS
1129E01 FIND 76 2024-06-182 6999 DIBBS
12NH-8 2024-06-182 6999 DIBBS
386B204008 2024-06-182 6999 DIBBS
DHN 35-8 2024-06-182 6999 DIBBS
DHN35.8 2024-06-182 6999 DIBBS
EB-080 2024-06-182 6999 DIBBS
EB820 2024-06-182 6999 DIBBS
EB-820 2024-06-182 6999 DIBBS
P30364 2024-06-182 6999 DIBBS
033534 2024-05-149 754 DIBBS
1129E01 FIND 76 2024-05-149 754 DIBBS
12NH-8 2024-05-149 754 DIBBS
386B204008 2024-05-149 754 DIBBS
DHN 35-8 2024-05-149 754 DIBBS
DHN35.8 2024-05-149 754 DIBBS
EB-080 2024-05-149 754 DIBBS
EB820 2024-05-149 754 DIBBS
EB-820 2024-05-149 754 DIBBS
P30364 2024-05-149 754 DIBBS
033534 2024-05-141 754 DIBBS
1129E01 FIND 76 2024-05-141 754 DIBBS
12NH-8 2024-05-141 754 DIBBS
386B204008 2024-05-141 754 DIBBS
DHN 35-8 2024-05-141 754 DIBBS
DHN35.8 2024-05-141 754 DIBBS
EB-080 2024-05-141 754 DIBBS
EB820 2024-05-141 754 DIBBS
EB-820 2024-05-141 754 DIBBS
P30364 2024-05-141 754 DIBBS
033534 2024-02-40 2086 DIBBS
1129E01 FIND 76 2024-02-40 2086 DIBBS
12NH-8 2024-02-40 2086 DIBBS
386B204008 2024-02-40 2086 DIBBS
DHN 35-8 2024-02-40 2086 DIBBS
DHN35.8 2024-02-40 2086 DIBBS
EB-080 2024-02-40 2086 DIBBS
EB820 2024-02-40 2086 DIBBS
EB-820 2024-02-40 2086 DIBBS
P30364 2024-02-40 2086 DIBBS
033534 2024-02-32 2086 DIBBS
1129E01 FIND 76 2024-02-32 2086 DIBBS
12NH-8 2024-02-32 2086 DIBBS
386B204008 2024-02-32 2086 DIBBS
DHN 35-8 2024-02-32 2086 DIBBS
DHN35.8 2024-02-32 2086 DIBBS
EB-080 2024-02-32 2086 DIBBS
EB820 2024-02-32 2086 DIBBS
EB-820 2024-02-32 2086 DIBBS
P30364 2024-02-32 2086 DIBBS
033534 2023-10-302 2604 DIBBS
1129E01 FIND 76 2023-10-302 2604 DIBBS
12NH-8 2023-10-302 2604 DIBBS
386B204008 2023-10-302 2604 DIBBS
DHN 35-8 2023-10-302 2604 DIBBS
DHN35.8 2023-10-302 2604 DIBBS
EB-080 2023-10-302 2604 DIBBS
EB820 2023-10-302 2604 DIBBS
EB-820 2023-10-302 2604 DIBBS
P30364 2023-10-302 2604 DIBBS
033534 2023-10-292 2604 DIBBS
1129E01 FIND 76 2023-10-292 2604 DIBBS
12NH-8 2023-10-292 2604 DIBBS
386B204008 2023-10-292 2604 DIBBS
DHN 35-8 2023-10-292 2604 DIBBS
DHN35.8 2023-10-292 2604 DIBBS
EB-080 2023-10-292 2604 DIBBS
EB820 2023-10-292 2604 DIBBS
EB-820 2023-10-292 2604 DIBBS
P30364 2023-10-292 2604 DIBBS
033534 2023-07-209 108 DIBBS
1129E01 FIND 76 2023-07-209 108 DIBBS
12NH-8 2023-07-209 108 DIBBS
386B204008 2023-07-209 108 DIBBS
DHN 35-8 2023-07-209 108 DIBBS
DHN35.8 2023-07-209 108 DIBBS
EB-080 2023-07-209 108 DIBBS
EB820 2023-07-209 108 DIBBS
EB-820 2023-07-209 108 DIBBS
P30364 2023-07-209 108 DIBBS
033534 2023-07-200 108 DIBBS
1129E01 FIND 76 2023-07-200 108 DIBBS
12NH-8 2023-07-200 108 DIBBS
386B204008 2023-07-200 108 DIBBS
DHN 35-8 2023-07-200 108 DIBBS
DHN35.8 2023-07-200 108 DIBBS
EB-080 2023-07-200 108 DIBBS
EB820 2023-07-200 108 DIBBS
EB-820 2023-07-200 108 DIBBS
P30364 2023-07-200 108 DIBBS
033534 2022-12-353 597 DIBBS
1129E01 FIND 76 2022-12-353 597 DIBBS
12NH-8 2022-12-353 597 DIBBS
386B204008 2022-12-353 597 DIBBS
DHN 35-8 2022-12-353 597 DIBBS
DHN35.8 2022-12-353 597 DIBBS
EB-080 2022-12-353 597 DIBBS
EB820 2022-12-353 597 DIBBS
EB-820 2022-12-353 597 DIBBS
P30364 2022-12-353 597 DIBBS
5310-00-297-3721 2022-11-307 600 Taiwan
033534 2022-06-164 2088 DIBBS
1129E01 FIND 76 2022-06-164 2088 DIBBS
12NH-8 2022-06-164 2088 DIBBS
386B204008 2022-06-164 2088 DIBBS
DHN 35-8 2022-06-164 2088 DIBBS
DHN35.8 2022-06-164 2088 DIBBS
EB-080 2022-06-164 2088 DIBBS
EB820 2022-06-164 2088 DIBBS
EB-820 2022-06-164 2088 DIBBS
P30364 2022-06-164 2088 DIBBS
033534 2021-11-320 1268 DIBBS
1129E01 FIND 76 2021-11-320 1268 DIBBS
12NH-8 2021-11-320 1268 DIBBS
386B204008 2021-11-320 1268 DIBBS
DHN 35-8 2021-11-320 1268 DIBBS
DHN35.8 2021-11-320 1268 DIBBS
EB-080 2021-11-320 1268 DIBBS
EB820 2021-11-320 1268 DIBBS
EB-820 2021-11-320 1268 DIBBS
P30364 2021-11-320 1268 DIBBS
EB080 2021-09-270 8 United States
033534 2021-08-220 1232 DIBBS
1129E01 FIND 76 2021-08-220 1232 DIBBS
12NH-8 2021-08-220 1232 DIBBS
386B204008 2021-08-220 1232 DIBBS
9937B402 2021-08-220 1232 DIBBS
DHN 35-8 2021-08-220 1232 DIBBS
DHN35.8 2021-08-220 1232 DIBBS
EB-080 2021-08-220 1232 DIBBS
EB820 2021-08-220 1232 DIBBS
EB-820 2021-08-220 1232 DIBBS
P30364 2021-08-220 1232 DIBBS
033534 2021-05-147 1364 DIBBS
1129E01 FIND 76 2021-05-147 1364 DIBBS
12NH-8 2021-05-147 1364 DIBBS
386B204008 2021-05-147 1364 DIBBS
9937B402 2021-05-147 1364 DIBBS
DHN 35-8 2021-05-147 1364 DIBBS
DHN35.8 2021-05-147 1364 DIBBS
EB-080 2021-05-147 1364 DIBBS
EB820 2021-05-147 1364 DIBBS
EB-820 2021-05-147 1364 DIBBS
P30364 2021-05-147 1364 DIBBS
5310-00-297-3721 2020-06-182 4 PH
5310-00-297-3721 2018-03-72 4002 DIBBS
5310-00-297-3721 2018-03-64 4002 DIBBS
5310-00-297-3721 2018-01-19 350 US
5310-00-297-3721 2017-11-316 2888 DIBBS
5310-00-297-3721 2017-04-101 2125 DIBBS
5310-00-297-3721 2017-04-93 2125 DIBBS
5310-00-297-3721 2016-08-224 7295 DIBBS
5310-00-297-3721 2016-07-202 2805 DIBBS
5310-00-297-3721 2016-06-168 3769 DIBBS
5310-00-297-3721 2016-03-90 2642 DIBBS
5310-00-297-3721 2016-01-08 2697 DIBBS
5310-00-297-3721 2015-12-364 2697 DIBBS
EB-080 2015-05-138 1 United States
EB-080 2015-05-138 1 United States
EB080 2015-04-106 10 PE
5310-00-297-3721 2013-05-121 10561 DIBBS
5310-00-297-3721 2013-03-71 200 AR
5310-00-297-3721 2012-04-121 36 US
5310-00-297-3721 2011-04-99 18 US
5310-00-297-3721 2010-11-316 400 Canada
EB080 2010-07-203 57 United States
EB080 2010-07-203 57 United States
P30364 2010-05-148 82 Canada
5310-00-297-3721 2010-03-69 50 US
EB080 2009-05-133 16 US
5310-00-297-3721 2008-08-231 999 DIBBS
5310-00-297-3721 2008-06-154 200 US

Cross Reference | NSN 5310-00-297-3721

Part Number Cage Code Manufacturer
033534 F0754 SOC EXPLOITATION MATERIELS MARTINBAKER
035534A F0754 SOC EXPLOITATION MATERIELS MARTINBAKER
035534B F0754 SOC EXPLOITATION MATERIELS MARTINBAKER
1129E01 FIND 76 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
12NH-8 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
12NH-8 97499 BELL HELICOPTER TEXTRON INC.
386B204008 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
53-60100-5 80020 NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
608889-11 80020 NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
9937B402 13002 GOODRICH CORPORATION DBA GOODRICH LANDING GEAR DIVISION
DHN 35-8 2N935 B/E AEROSPACE, INC. DBA BE AEROSPACE CONSUMABLES
DHN 35-8 62554 ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV
DHN 35-8 89305 SIMMONDS PRECISION PRODUCTS, INC. DBA GOODRICH SENSORS AND INTERGRATED
DHN35.8 F0224 ALCOA FIXATIONS SIMMONDS SAS
EAB1402 81996 U S ARMY AVIATION AND MISSILE COMMAND
EB-080 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
EB-080 97499 BELL HELICOPTER TEXTRON INC.
EB-820 15653 ALCOA GLOBAL FASTENERS, INC.
EB080 72962 HARVARD INDUSTRIES INC
EB820 27687 GREER STOP NUT INC.
MBEU141587 U1604 MARTIN-BAKER AIRCRAFT CO LTD DBA MARTIN-BAKER
P30364 D1131 AUTOFLUG GMBH DBA AUTOFLUG SICHERHEITSGERATE
P30364 K4975 B/E AEROSPACE CONSUMABLESMANAGEMENT II
P30364 U1604 MARTIN-BAKER AIRCRAFT CO LTD DBA MARTIN-BAKER
SS5088-07 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-00-297-3721

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYAMIDE LOCKING INSERT STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 3140 OR STEEL COMP 8740 NUT
MATERIAL DOCUMENT AND CLASSIFICATION AISI ASSN STD ALL MATERIAL RESPONSES NUT
SURFACE TREATMENT CADMIUM OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
HARDNESS RATING NOT RATED
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
OVERALL HEIGHT 0.563 INCHES NOMINAL
WASHER THICKNESS 0.118 INCHES NOMINAL
WIDTH ACROSS FLATS 0.612 INCHES MINIMUM AND 0.628 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
COUNTERSINK ANGLE ANY ACCEPTABLE NUT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-297-3721

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5310-00-297-3721

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
EA : Each
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
EA : Each