Product Details | HEXAGON SLOTTED SELF-LOCKING NUT

5310-00-900-9421 A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes NUT (1), SELF-LOCKING, CASTELLATED, OCTAGON.

Part Alternates: MS178255, MS17825-5, TCR65, F12NE4753054, F12NE4753-054, F12NEC524, 10121805 , 5310-00-900-9421, 00-900-9421, 5310009009421, 009009421

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1960 00-900-9421

Drawings & Photos | NSN 5310-00-900-9421


Demand History | NSN 5310-00-900-9421

Part Number Request Date QTY Origin
MS178255 2024-12-346 317 US
5310-00-900-9421 2024-11-319 3788 DIBBS
5310-00-900-9421 2024-09-260 2345 DIBBS
5310-00-900-9421 2024-08-231 207 DIBBS
5310-00-900-9421 2024-08-227 715 DIBBS
5310-00-900-9421 2024-06-179 2299 DIBBS
5310-00-900-9421 2024-05-149 1355 DIBBS
5310-00-900-9421 2024-05-141 100 CN
5310-00-900-9421 2024-03-77 2341 DIBBS
MS178255 2024-03-74 117 United States
5310-00-900-9421 2023-12-354 1812 DIBBS
MS178255 2023-12-352 1193 United States
MS178255 2023-12-348 1193 United States
MS178255 2023-11-314 1193 us
MS178255 2023-10-304 1 DE
5310-00-900-9421 2023-10-285 3322 DIBBS
5310-00-900-9421 2023-07-201 763 DIBBS
MS178255 2023-04-114 110 United States
MS178255 2022-11-307 3700 United States
MS178255 2022-04-108 60 United States
5310-00-900-9421 2021-06-162 12024 US
5310-00-900-9421 2021-06-161 12024 DIBBS
MS178255 2020-11-330 22 US
MS178255 2020-01-06 50 United States
MS178255 2019-12-343 500 US
MS178255 2019-12-343 1000 US
MS178255 2019-12-343 1500 US
MS178255 2019-12-343 2000 US
5310-00-900-9421 2019-01-08 6665 DIBBS
5310-00-900-9421 2018-10-276 4278 DIBBS
5310-00-900-9421 2018-07-184 28666 DIBBS
5310-00-900-9421 2018-06-179 28666 United States
5310-00-900-9421 2018-06-171 28666 DIBBS
MS178255 2018-05-142 5 United States
5310-00-900-9421 2018-05-126 28666 DIBBS
5310-00-900-9421 2017-10-302 6655 DIBBS
5310-00-900-9421 2017-09-257 100 United States
5310-00-900-9421 2017-09-248 25000 DIBBS
MS178255 2016-06-173 46 GE
MS178255 2016-05-148 3 United States
5310-00-900-9421 2015-12-354 9605 DIBBS
5310-00-900-9421 2015-08-237 7705 DIBBS
MS178255 2015-07-203 25 us
MS178255 2015-06-155 10 BD
MS178255 2015-05-146 1 US
MS178255 2015-05-140 1 Canada
MS178255 2015-02-33 25 United States
MS178255 2015-01-27 6 United States
MS17825-5 2014-11-308 5000 United States
MS17825-5 2014-03-71 46 United States
MS178255 2012-12-346 10 Switzerland
MS178255 2012-12-344 10 Switzerland
MS178255 2012-06-174 3 US
5310-00-900-9421 2012-02-38 28068 DIBBS
5310-00-900-9421 2011-12-336 27675 DIBBS
MS178255 2011-10-280 3 UK
MS178255 2011-05-151 100 Canada
MS178255 2011-04-117 20 United States
MS178255 2011-03-77 20 BR
MS178255 2011-01-19 100 Canada
MS178255 2010-11-306 12 Netherlands
5310-00-900-9421 2010-10-300 4 US
MS178255 2010-09-260 25 Netherlands
5310-00-900-9421 2010-09-252 8641 DIBBS
5310-00-900-9421 2010-06-158 13743 DIBBS
MS178255 2010-05-131 1 VE
MS178255 2008-08-242 4 US
MS178255 2006-05-144 50 AR

Cross Reference | NSN 5310-00-900-9421

Part Number Cage Code Manufacturer
F12NE4753-054 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
F12NE4753-054 72962 HARVARD INDUSTRIES INC
F12NEC524 27687 GREER STOP NUT INC.
MS17825-5 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
TCR65 62554 ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV

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Technical Data | NSN 5310-00-900-9421

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYAMIDE LOCKING INSERT STEEL NUT
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
HARDNESS RATING NOT RATED
NUT STYLE A17 SLOTTED, HEXAGON
NUT HEIGHT 0.313 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
BEARING SURFACE TYPE WASHER FACED
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS17825-5

Restrictions/Controls & Freight Information | NSN 5310-00-900-9421

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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 5310-00-900-9421

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 CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBXOH-58D Army Helicopter Improvement Program (AHIP)
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
1
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.
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
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
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
1
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
1
EA : Each