Product Details | ASSEMBLED WASHER SELF-LOCKING NUT

5310-01-329-6681 A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: BHW136M5, KFN512DL5, 03A136W5L, 5310-01-329-6681, 01-329-6681, 5310013296681, 013296681

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 20 NOV 1990 01-329-6681

Drawings & Photos | NSN 5310-01-329-6681


Cross Reference | NSN 5310-01-329-6681

Part Number Cage Code Manufacturer
03A136W5L 1W025 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
BHW136M5 27238 BRISTOL INDUSTRIES
KFN512DL5 15653 ALCOA GLOBAL FASTENERS, INC.
KFN512DL5 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
KFN512DL5 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
KFN512DL5 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
KFN512DL5 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
KFN512DL5 97928 HUCK INTL INC

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Technical Data | NSN 5310-01-329-6681

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.3125 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL IRON ALLOY 660 NUT STEEL CORROSION RESISTING WASHER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT
SURFACE TREATMENT PASSIVATE WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER
HARDNESS RATING 33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
NUT STYLE A311 FLAT WITH TURNED UP EDGE
WASHER OUTSIDE DIAMETER 0.560 INCHES MAXIMUM
OVERALL HEIGHT 0.430 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.369 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
NUT COUNTERBORE DEPTH 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM FIRST END
COUNTERBORE DIAMETER 0.340 INCHES MAXIMUM WASHER 0.330 INCHES MINIMUM AND 0.335 INCHES MAXIMUM FIRST END
LUBRICATION DRY FILM LUBRICANT
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-329-6681

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 5310-01-329-6681

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.
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