Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-223-6531 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: BH005293, BH00529-3, KFN5563, KFN556-3, 5310-01-223-6531, 01-223-6531, 5310012236531, 012236531

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 04 JAN 1986 01-223-6531

Drawings & Photos | NSN 5310-01-223-6531


Demand History | NSN 5310-01-223-6531

Part Number Request Date QTY Origin
5310-01-223-6531 2023-10-277 50 GR
KFN556-3 2021-10-279 600 DIBBS
KFN556-3 2021-09-252 4207 DIBBS
KFN556-3 2021-06-154 2100 DIBBS
KFN556-3 2021-04-102 1400 DIBBS
KFN556-3 2021-04-98 788 DIBBS
KFN556-3 2020-10-289 142 DIBBS
KFN556-3 2020-10-281 658 DIBBS
KFN556-3 2020-09-273 658 DIBBS
5310-01-223-6531 2020-06-157 1 DIBBS-RFPs
KFN556-3 2020-06-157 20993 DIBBS
KFN556-3 2020-06-155 22740 DIBBS
KFN556-3 2020-05-142 20993 DIBBS
KFN556-3 2019-10-276 8016 DIBBS
KFN556-3 2019-07-188 19417 DIBBS
KFN556-3 2019-04-113 15027 DIBBS
5310-01-223-6531 2019-02-38 1000 MANUAL
5310-01-223-6531 2018-01-31 31868 DIBBS
5310-01-223-6531 2017-09-269 8000 US
5310-01-223-6531 2017-09-262 7590 DIBBS
5310-01-223-6531 2017-06-169 4010 DIBBS
5310-01-223-6531 2017-04-115 14400 DIBBS
5310-01-223-6531 2016-12-361 7590 DIBBS
5310-01-223-6531 2016-11-312 6606 DIBBS
5310-01-223-6531 2016-08-244 6280 DIBBS
5310-01-223-6531 2016-03-76 7340 DIBBS
5310-01-223-6531 2016-01-19 14662 DIBBS
5310-01-223-6531 2016-01-11 14662 DIBBS
5310012236531 2012-01-30 100 AE
5310-01-223-6531 2009-08-236 8075 DIBBS

Cross Reference | NSN 5310-01-223-6531

Part Number Cage Code Manufacturer
BH00529-3 27238 BRISTOL INDUSTRIES
KFN556-3 12733 VSI CORP SUB OF FAIRCHILD INDUSTRIES INC
KFN556-3 15653 ALCOA GLOBAL FASTENERS, INC.
KFN556-3 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
KFN556-3 27238 BRISTOL INDUSTRIES
KFN556-3 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5310-01-223-6531

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 8740 OR STEEL COMP E4340 NUT PLASTIC POLYTETRAFLUOROETHYLENE WASHER
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT MIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE WASHER
SURFACE TREATMENT CADMIUM AND CHROMATE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
NUT STYLE A294 HEXAGON
WASHER OUTSIDE DIAMETER 0.348 INCHES MAXIMUM
OVERALL HEIGHT 0.301 INCHES MAXIMUM
WASHER THICKNESS 0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
TEMP RATING NOT RATED
SPECIAL FEATURES CETYL ALCOHOL LUBRICANT PER MIL-L-87132,TY 1,GRADE A

Restrictions/Controls & Freight Information | NSN 5310-01-223-6531

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 KH Defense Industrial Supply Center
Philadelphia, PA 19111
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 5310-01-223-6531

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 ValidationE The current standard price is an estimated price.
  • Estimated Price challenges are allowed, but follow procedures in para 60.b. (3) of section L of this manual.
  • This code will be changed to a P code upon notification of a contract price or this code will be changed to an updated code upon determination of a valid price.
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
M
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
M
EA : Each