Product Details | ASSEMBLED WASHER SELF-LOCKING NUT

5310-00-151-5431 A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: MS212244, MS21224-4, NE82354, NE8235-4, NSN SPECIFIC V-22 AE1107C ENGINE, NSNSPECIFICV22AE1107CENGINE, F12N7699428, F12N7699-428, 5310-00-151-5431, 00-151-5431, 5310001515431, 001515431

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 30 DEC 1970 00-151-5431

Drawings & Photos | NSN 5310-00-151-5431


Demand History | NSN 5310-00-151-5431

Part Number Request Date QTY Origin
5310-00-151-5431 2025-11-321 13954 DIBBS
5310-00-151-5431 2025-11-318 14000 US
5310-00-151-5431 2025-11-316 13954 DIBBS
5310-00-151-5431 2025-11-307 13954 DIBBS
5310-00-151-5431 2025-10-304 121 DIBBS
5310-00-151-5431 2025-10-303 1461 DIBBS
5310-00-151-5431 2025-10-296 121 DIBBS
5310-00-151-5431 2025-10-295 1461 DIBBS
5310-00-151-5431 2025-10-295 58935 DIBBS
5310-00-151-5431 2025-10-290 58935 DIBBS
5310-00-151-5431 2025-10-282 58935 DIBBS
5310-00-151-5431 2025-09-248 13954 DIBBS
5310-00-151-5431 2025-09-247 1739 DIBBS
5310-00-151-5431 2025-09-247 62495 DIBBS
5310-00-151-5431 2025-09-246 1260 United States
5310-00-151-5431 2025-08-240 13954 DIBBS
5310-00-151-5431 2025-08-239 1739 DIBBS
5310-00-151-5431 2025-08-239 62495 DIBBS
5310-00-151-5431 2025-08-237 13954 DIBBS
5310-00-151-5431 2025-08-234 62495 DIBBS
5310-00-151-5431 2025-08-229 13954 DIBBS
5310-00-151-5431 2025-08-226 62495 DIBBS
5310-00-151-5431 2025-08-213 1475 DIBBS
5310-00-151-5431 2025-07-205 1475 DIBBS
5310-00-151-5431 2025-07-191 42629 DIBBS
5310-00-151-5431 2025-07-183 42629 DIBBS
5310-00-151-5431 2025-06-174 21391 DIBBS
5310-00-151-5431 2025-06-166 21391 DIBBS
5310-00-151-5431 2025-06-162 83 DIBBS
5310-00-151-5431 2024-08-221 5436 DIBBS
5310-00-151-5431 2024-07-213 5436 DIBBS
5310-00-151-5431 2023-11-317 5436 DIBBS
5310-00-151-5431 2023-05-141 13944 DIBBS
5310-00-151-5431 2023-04-92 2346 DIBBS
5310-00-151-5431 2021-10-281 5000 Singapore
5310-00-151-5431 2018-11-331 117230 DIBBS
5310-00-151-5431 2018-09-268 117230 DIBBS
5310-00-151-5431 2018-07-191 26632 DIBBS
5310-00-151-5431 2018-06-154 21601 DIBBS
MS212244 2018-05-141 1 United States
5310-00-151-5431 2018-05-130 1 DIBBS-RFPs
MS212244 2018-04-115 800 SG
5310-00-151-5431 2017-11-309 18745 DIBBS
5310-00-151-5431 2017-06-169 14225 DIBBS
5310-00-151-5431 2017-05-144 30078 DIBBS
5310-00-151-5431 2017-01-27 30100 US
5310-00-151-5431 2017-01-26 30078 DIBBS
MS21224-4 2016-07-211 700 JP
NSN SPECIFIC V-22 AE1107C ENGINE 2016-03-81 4 United States
5310-00-151-5431 2015-09-246 17831 DIBBS
MS212244 2015-06-169 33 Seychelles
5310-00-151-5431 2015-05-124 14636 DIBBS
5310-00-151-5431 2014-08-217 21484 DIBBS
5310-00-151-5431 2014-07-203 9255 DIBBS
MS212244 2013-09-261 67 United States
5310-00-151-5431 2012-08-221 45000 DIBBS
MS212244 2012-07-205 100 United States
MS21224-4 2012-07-187 70 KR
5310-00-151-5431 2012-06-163 11880 DIBBS
MS212244 2012-05-138 13 Italy
MS21224-4 2012-02-33 100 US
5310-00-151-5431 2010-06-159 15370 DIBBS
MS212244 2009-11-309 100 Taiwan
5310-00-151-5431 2008-06-162 9684 DIBBS
5310-00-151-5431 2008-02-36 10 US

Cross Reference | NSN 5310-00-151-5431

Part Number Cage Code Manufacturer
F12N7699-428 27687 GREER STOP NUT INC.
MS21224-4 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21224-4 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NE8235-4 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
NE8235-4 72962 HARVARD INDUSTRIES INC

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Technical Data | NSN 5310-00-151-5431

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC NYLON LOCKING INSERT STEEL COMP 1137 OR STEEL COMP 11L37 OR STEEL COMP 8740 NUT
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5024 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5020 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6323 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6325 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6327 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6358 ASSN STD 3RD MATERIAL RESPONSE NUT QQ-A-225/6,T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/13,T6 FED SPEC 2ND MATERIAL RESPONSE WASHER
SURFACE TREATMENT CADMIUM AND CHROMATE NUT CHROMATE WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
HARDNESS RATING NOT RATED
NUT STYLE A312 FLAT WITH TURNED BACK EDGE
WASHER OUTSIDE DIAMETER 0.520 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM
OVERALL HEIGHT 0.365 INCHES MINIMUM AND 0.405 INCHES MAXIMUM
NUT HEIGHT ANY ACCEPTABLE
WIDTH ACROSS FLATS 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT COUNTERBORE DEPTH 0.172 INCHES MINIMUM AND 0.192 INCHES MAXIMUM NUT
COUNTERBORE DIAMETER 0.299 INCHES MINIMUM AND 0.309 INCHES MAXIMUM NUT
TEMP RATING 250.0 DEG FAHRENHEIT MAXIMUM
III BEARING SURFACE FINISH 125.0 MICROINCHES

Restrictions/Controls & Freight Information | NSN 5310-00-151-5431

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 013540 ALUM NUTS
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-00-151-5431

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 GroupBJAH-64 Airframe
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.
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
M
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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