Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-297-3722 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: BH001637, BH00163-7, SS508806, SS5088-06, DHN 35-7, DHN357, EB070, EB-070, EB720, EB-720, 123717, 12371-7 , 12NH7, 12NH-7, 699734, 69973-4, 5310-00-297-3722, 00-297-3722, 5310002973722, 002973722

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-297-3722

Drawings & Photos | NSN 5310-00-297-3722


Demand History | NSN 5310-00-297-3722

Part Number Request Date QTY Origin
5310-00-297-3722 2020-01-07 22 us
5310-00-297-3722 2014-10-303 1 DIBBS-RFPs
EB070 2012-04-121 12 US
5310-00-297-3722 2012-02-40 200 United Kingdom
5310-00-297-3722 2011-01-13 5 FR
5310-00-297-3722 2009-04-99 5 us
5310-00-297-3722 2009-04-92 100 US
5310-00-297-3722 2009-02-36 380 DIBBS
5310-00-297-3722 2008-09-247 1730 DIBBS
5310-00-297-3722 2008-06-168 1725 DIBBS
5310-00-297-3722 2008-04-113 1478 DIBBS
5310-00-297-3722 2008-04-106 59 DIBBS

Cross Reference | NSN 5310-00-297-3722

Part Number Cage Code Manufacturer
12371-7 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
12NH-7 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
69973-4 73030 HAMILTON SUNDSTRAND CORPORATION
BH00163-7 27238 BRISTOL INDUSTRIES
DHN 35-7 62554 ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV
EB-070 15653 ALCOA GLOBAL FASTENERS, INC.
EB-070 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
EB-070 R1120 SATAIR A/S
EB-720 15653 ALCOA GLOBAL FASTENERS, INC.
EB070 72962 HARVARD INDUSTRIES INC
EB720 27687 GREER STOP NUT INC.
EB720 R1120 SATAIR A/S
SS5088-06 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-00-297-3722

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.438 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 0.771 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
OVERALL HEIGHT 0.516 INCHES NOMINAL
WASHER THICKNESS 0.107 INCHES NOMINAL
WIDTH ACROSS FLATS 0.550 INCHES MINIMUM AND 0.565 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 5310-00-297-3722

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 5310-00-297-3722

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
Q
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
Q
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
Q
EA : Each