Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-337-7031 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: BACN10YR4CD , BH003124, BH00312-4, BRH30C4, BRH30C-4, H527324, H52732-4, LH38584, LH3858-4, PLH54, PLH-54, T6113C428, T6113C-428, 80724428, 80724-428, 5310-01-337-7031, 01-337-7031, 5310013377031, 013377031

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 21 APR 1991 01-337-7031

Drawings & Photos | NSN 5310-01-337-7031


Demand History | NSN 5310-01-337-7031

Part Number Request Date QTY Origin
5310-01-337-7031 2025-09-261 30 KR
BACN10YR4CD 2024-10-304 48 United States
5310-01-337-7031 2024-10-283 336 US
BACN10YR4CD 2024-05-144 8 US
BACN10YR4CD 2024-05-134 1433 DIBBS
PLH54CD 2024-05-134 1433 DIBBS
BACN10YR4CD 2023-12-346 15 United States
5310-01-337-7031 2023-01-25 15 US
BACN10YR4CD 2021-09-266 1221 DIBBS
PLH54CD 2021-09-266 1221 DIBBS
BACN10YR4CD 2021-04-102 12 US
BACN10YR4CD 2020-11-313 561 DIBBS
PLH54CD 2020-11-313 561 DIBBS
BACN10YR4CD 2019-05-135 26 United States
BACN10YR4CD 2019-04-106 722 DIBBS
PLH54CD 2019-04-106 722 DIBBS
BACN10YR4CD 2019-03-63 352 US
BACN10YR4CD 2019-01-31 200 Turkey
BACN10YR4CD 2018-11-319 1 United States
5310-01-337-7031 2018-06-165 350 DIBBS
BACN10YR4CD 2016-09-256 5 United States
BACN10YR4CD 2016-01-15 1 Poland
BACN10YR4CD 2014-04-115 100 United States
BACN10YR4CD 2013-08-239 100 United States
BACN10YR4CD 2013-08-239 200 United States
BACN10YR4CD 2013-08-239 500 United States
BACN10YR4CD 2013-08-239 1000 United States
BACN10YR4CD 2013-02-36 260 US
BACN10YR4CD 2011-08-238 500 United States
5310-01-337-7031 2010-09-252 8 United States
5310-01-337-7031 2010-04-100 1129 DIBBS
5310-01-337-7031 2009-04-113 636 DIBBS
5310-01-337-7031 2009-03-69 781 DIBBS
5310-01-337-7031 2009-01-30 1000 US
5310-01-337-7031 2008-11-318 75 DIBBS
5310-01-337-7031 2008-08-221 180 DIBBS
5310-01-337-7031 2008-08-218 45 us
5310-01-337-7031 2008-08-218 360 us
BACN10YR4CD 2007-05-151 60 US

Cross Reference | NSN 5310-01-337-7031

Part Number Cage Code Manufacturer
80724-428 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
BACN10YR4CD 15653 ALCOA GLOBAL FASTENERS, INC.
BACN10YR4CD 27238 BRISTOL INDUSTRIES
BACN10YR4CD 52828 REPUBLIC FASTENER MFG. CORP.
BACN10YR4CD 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
BACN10YR4CD 81205 THE BOEING COMPANY DBA BOEING
BACN10YR4CD Z03F0 BOEING DEFENCE AUSTRALIA LTD
BACN10YR4CD Z8T75 BOEING DEFENCE AUSTRALIA LTD
BH00312-4 27238 BRISTOL INDUSTRIES
BRH30C-4 52828 REPUBLIC FASTENER MFG. CORP.
H52732-4 15653 ALCOA GLOBAL FASTENERS, INC.
LH3858-4 72962 HARVARD INDUSTRIES INC
PLH-54 92152 SUPERIOR CHEMICAL PRODUCTS INC
T6113C-428 11815 SPS TECHNOLOGIES, LLC DBA CHERRY AEROSPACE DIV

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Technical Data | NSN 5310-01-337-7031

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A294 HEXAGON
WASHER OUTSIDE DIAMETER 0.420 INCHES MAXIMUM
OVERALL HEIGHT 0.204 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
WASHER THICKNESS 0.019 INCHES MINIMUM
WIDTH ACROSS FLATS 0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION DRY FILM LUBRICANT
TEMP RATING 450.0 DEG FAHRENHEIT NOMINAL
SPECIFICATION/STANDARD DATA 81205-BACN10YR MANUFACTURERS STANDARD

Restrictions/Controls & Freight Information | NSN 5310-01-337-7031

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 576 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 5310-01-337-7031

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with 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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
A
EA : Each