Product Details | ASSEMBLED WASHER SELF-LOCKING NUT

5310-00-009-7663 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: MS212247, MS21224-7, NE82357, NE8235-7, 5310-00-009-7663, 00-009-7663, 5310000097663, 000097663

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 09 AUG 1972 00-009-7663

Drawings & Photos | NSN 5310-00-009-7663


Demand History | NSN 5310-00-009-7663

Part Number Request Date QTY Origin
5310-00-009-7663 2025-11-322 909 DIBBS
5310-00-009-7663 2025-09-267 923 DIBBS
5310-00-009-7663 2025-08-225 685 DIBBS
5310-00-009-7663 2025-08-217 685 DIBBS
5310-00-009-7663 2024-10-305 388 DIBBS
5310-00-009-7663 2024-10-296 388 DIBBS
5310-00-009-7663 2023-11-320 228 DIBBS
5310-00-009-7663 2015-12-358 3251 DIBBS
5310-00-009-7663 2015-12-349 3251 DIBBS

Cross Reference | NSN 5310-00-009-7663

Part Number Cage Code Manufacturer
MS21224-7 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21224-7 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NE8235-7 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
NE8235-7 72962 HARVARD INDUSTRIES INC

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Technical Data | NSN 5310-00-009-7663

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 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 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE NUT MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE WASHER
HARDNESS RATING NOT RATED
NUT STYLE A312 FLAT WITH TURNED BACK EDGE
WASHER OUTSIDE DIAMETER 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM
OVERALL HEIGHT 0.473 INCHES MINIMUM AND 0.513 INCHES MAXIMUM
NUT HEIGHT ANY ACCEPTABLE
WIDTH ACROSS FLATS 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT COUNTERBORE DEPTH 0.249 INCHES MINIMUM AND 0.269 INCHES MAXIMUM NUT
COUNTERBORE DIAMETER 0.519 INCHES MINIMUM AND 0.529 INCHES MAXIMUM NUT
TEMP RATING 250.0 DEG FAHRENHEIT MAXIMUM
III BEARING SURFACE FINISH 125.0 MICROINCHES

Restrictions/Controls & Freight Information | NSN 5310-00-009-7663

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 5310-00-009-7663

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
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