Product Details | KNURLED SELF-LOCKING NUT

5310-00-431-6776 A nut round in shape, whose outer surface or portion(s) is/are knurled. It may have provisions for external wrenching. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: 2637506PC5, 5310-00-431-6776, 00-431-6776, 5310004316776, 004316776

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 26 APR 1971 00-431-6776

Drawings & Photos | NSN 5310-00-431-6776


Demand History | NSN 5310-00-431-6776

Part Number Request Date QTY Origin
5310-00-431-6776 2025-10-282 23 DIBBS
5310-00-431-6776 2021-12-342 8 DIBBS
5310-00-431-6776 2021-11-327 8 DIBBS
5310-00-431-6776 2010-10-292 125 DIBBS
5310-00-431-6776 2010-07-182 125 DIBBS
5310-00-431-6776 2010-03-90 125 DIBBS
5310-00-431-6776 2010-03-77 125 DIBBS
5310-00-431-6776 2009-08-215 35 DIBBS
5310-00-431-6776 2009-05-151 26 DIBBS
5310-00-431-6776 2009-03-82 12 DIBBS
5310-00-431-6776 2009-01-21 6 DIBBS
5310-00-431-6776 2008-05-140 6 DIBBS

Cross Reference | NSN 5310-00-431-6776

Part Number Cage Code Manufacturer
2637506PC5 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 5310-00-431-6776

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 303 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A101 KNURLED
NUT DIAMETER 0.750 INCHES NOMINAL
NUT THICKNESS 0.516 INCHES MINIMUM AND 0.536 INCHES MAXIMUM
LOCKING FEATURE ANY ACCEPTABLE
TEMP RATING NOT RATED
SPECIAL FEATURES INSIDE DIAMETER OF 0.515 IN. WITH 8 EQUALLY SPACED SCALLOPS TO A DEPTH OF 0.216 IN.
MANUFACTURERS CODE 10001
DESIGN CONTROL REFERENCE 2637506PC5

Restrictions/Controls & Freight Information | NSN 5310-00-431-6776

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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 5310-00-431-6776

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
5
EA : Each