Product Details | HEXAGON SELF-LOCKING NUT

5310-00-031-0919 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: MS1782810F, MS17828-10F, NASM25027, 235R005PC31, 4D98024 ITEM 47, 4D98024ITEM47, 5310-00-031-0919, 00-031-0919, 5310000310919, 000310919

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 26 OCT 1972 00-031-0919

Drawings & Photos | NSN 5310-00-031-0919


Demand History | NSN 5310-00-031-0919

Part Number Request Date QTY Origin
NASM25027 2026-01-21 2 United States
5310-00-031-0919 2025-07-201 2899 DIBBS
5310-00-031-0919 2025-05-141 925 DIBBS
5310-00-031-0919 2025-05-136 925 DIBBS
5310-00-031-0919 2025-05-126 3000 United Kingdom
5310-00-031-0919 2025-05-125 925 DIBBS
5310-00-031-0919 2025-04-92 2905 US
5310-00-031-0919 2025-03-89 2905 DIBBS
5310-00-031-0919 2025-03-65 1062 DIBBS
5310-00-031-0919 2025-03-62 1062 DIBBS
5310-00-031-0919 2025-02-57 1843 US
5310-00-031-0919 2025-02-55 1843 US
5310-00-031-0919 2025-02-55 1843 DIBBS
5310-00-031-0919 2025-02-49 1062 DIBBS
5310-00-031-0919 2025-01-06 3344 US
5310-00-031-0919 2023-04-106 324 DIBBS
5310-00-031-0919 2022-07-191 803 DIBBS
5310-00-031-0919 2022-03-89 785 DIBBS
5310-00-031-0919 2021-11-315 1 US
5310-00-031-0919 2016-11-335 1147 DIBBS
5310-00-031-0919 2016-10-304 490 DIBBS
NASM25027 2014-09-253 1500 Ukraine
NASM25027 2014-01-27 16 US
NASM25027 2013-10-298 1 US
NASM25027 2010-01-28 175 US
NASM25027 2009-08-225 200 United Kingdom
MS1782810F 2009-08-222 27 Netherlands
NASM25027 2009-07-191 48000 US
NASM25027 2009-06-176 1000 United Kingdom
NASM25027 2008-09-268 1 Netherlands
NASM25027 2008-09-261 25 us
NASM25027 2007-12-338 60 United States

Cross Reference | NSN 5310-00-031-0919

Part Number Cage Code Manufacturer
235R005PC31 05259 CONTAINER RESEARCH CORPORATION DBA CRC
4D98024 ITEM 47 04808 CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
MS17828-10F 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS17828-10F 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NASM25027 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-00-031-0919

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.625 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT NICKEL ALLOY R-405 NUT
MATERIAL DOCUMENT AND CLASSIFICATION ASTM D4066,COMP A,TYPE 1 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.732 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.928 INCHES MINIMUM AND 0.944 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
COUNTERSINK ANGLE 88.0 DEGREES NOMINAL NUT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
III BEARING SURFACE FINISH 125.0 MICROINCHES
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS17828-10F

Restrictions/Controls & Freight Information | NSN 5310-00-031-0919

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:AItem does not contain precious metal
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 139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC
Less than car load rating
Less than truck load rating M 85.0
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 5310-00-031-0919

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
A
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
A
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
A
EA : Each