Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-181-5045 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: BH7873, BH787-3, ST3M7873, ST3M787-3, E126953, E12695-3, 79317CM1032, 79317CM-1032, 5310-01-181-5045, 01-181-5045, 5310011815045, 011815045

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 11 JUN 1984 01-181-5045

Drawings & Photos | NSN 5310-01-181-5045


Demand History | NSN 5310-01-181-5045

Part Number Request Date QTY Origin
79317CM-1032 2025-10-304 29 DIBBS
BH787-3 2025-10-304 29 DIBBS
E12695-3 2025-10-304 29 DIBBS
79317CM-1032 2025-10-301 150 DIBBS
BH787-3 2025-10-301 150 DIBBS
E12695-3 2025-10-301 150 DIBBS
79317CM-1032 2025-10-296 29 DIBBS
BH787-3 2025-10-296 29 DIBBS
E12695-3 2025-10-296 29 DIBBS
79317CM-1032 2025-10-293 150 DIBBS
BH787-3 2025-10-293 150 DIBBS
E12695-3 2025-10-293 150 DIBBS
79317CM-1032 2022-01-25 471 DIBBS
BH787-3 2022-01-25 471 DIBBS
E12695-3 2022-01-25 471 DIBBS
79317CM-1032 2022-01-13 471 DIBBS
BH787-3 2022-01-13 471 DIBBS
E12695-3 2022-01-13 471 DIBBS
79317CM-1032 2021-04-111 338 DIBBS
BH787-3 2021-04-111 338 DIBBS
E12695-3 2021-04-111 338 DIBBS
79317CM-1032 2019-09-258 238 DIBBS
BH787-3 2019-09-258 238 DIBBS
E12695-3 2019-09-258 238 DIBBS
79317CM-1032 2019-07-204 265 DIBBS
BH787-3 2019-07-204 265 DIBBS
E12695-3 2019-07-204 265 DIBBS
79317CM-1032 2019-05-149 187 DIBBS
BH787-3 2019-05-149 187 DIBBS
E12695-3 2019-05-149 187 DIBBS
5310-01-181-5045 2018-05-135 1305 DIBBS
5310-01-181-5045 2018-04-112 506 DIBBS
5310-01-181-5045 2018-03-70 1265 DIBBS
5310-01-181-5045 2018-02-36 976 DIBBS
5310-01-181-5045 2018-01-16 1066 DIBBS
5310-01-181-5045 2017-12-345 869 DIBBS
5310-01-181-5045 2017-11-309 297 DIBBS
5310-01-181-5045 2017-07-201 908 DIBBS
5310-01-181-5045 2017-05-143 402 DIBBS
5310-01-181-5045 2013-10-291 1 DIBBS-RFPs
5310-01-181-5045 2013-09-246 1 DIBBS-RFPs
ST3M7873 2010-04-118 128 US

Cross Reference | NSN 5310-01-181-5045

Part Number Cage Code Manufacturer
79317CM-1032 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
BH787-3 27238 BRISTOL INDUSTRIES
E12695-3 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
E12695-3 72962 HARVARD INDUSTRIES INC
ST3M787-3 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-01-181-5045

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A298 SLOTTED HEXAGON
WASHER OUTSIDE DIAMETER 0.325 INCHES MAXIMUM
OVERALL HEIGHT 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
WASHER THICKNESS 0.025 INCHES NOMINAL
WIDTH ACROSS FLATS 0.243 INCHES MINIMUM AND 0.252 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 5310-01-181-5045

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 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 5310-01-181-5045

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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
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
Q
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
Q
EA : Each