Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-931-5278 A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: C6101216, C610-1216, H2919112, H29191-12, LH8311126, LH8311-126, VN329A126, 53400M1216, 5310-00-931-5278, 00-931-5278, 5310009315278, 009315278

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 28 SEP 1966 00-931-5278

Drawings & Photos | NSN 5310-00-931-5278


Demand History | NSN 5310-00-931-5278

Part Number Request Date QTY Origin
53400M1216 2022-12-348 6 DIBBS
H29191-12 2022-12-348 6 DIBBS
VN329A126 2022-12-348 6 DIBBS
53400M1216 2022-12-340 6 DIBBS
H29191-12 2022-12-340 6 DIBBS
VN329A126 2022-12-340 6 DIBBS
53400M1216 2022-08-222 12 DIBBS
H29191-12 2022-08-222 12 DIBBS
VN329A126 2022-08-222 12 DIBBS
53400M1216 2021-01-19 8 DIBBS
H29191-12 2021-01-19 8 DIBBS
VN329A126 2021-01-19 8 DIBBS
53400M1216 2021-01-11 8 DIBBS
H29191-12 2021-01-11 8 DIBBS
VN329A126 2021-01-11 8 DIBBS

Cross Reference | NSN 5310-00-931-5278

Part Number Cage Code Manufacturer
53400M1216 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
C610-1216 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
H29191-12 15653 ALCOA GLOBAL FASTENERS, INC.
LH8311-126 72962 HARVARD INDUSTRIES INC
VN329A126 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5310-00-931-5278

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.750 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A294 HEXAGON
WASHER OUTSIDE DIAMETER 1.220 INCHES MAXIMUM
OVERALL HEIGHT 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM
WASHER THICKNESS 0.115 INCHES MINIMUM
WIDTH ACROSS FLATS 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION DRY FILM LUBRICANT
TEMP RATING 450.0 DEG FAHRENHEIT NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-931-5278

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 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 5310-00-931-5278

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each