Product Details | KNURLED PLAIN NUT

5310-00-531-0208 A nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, ROUND. (When height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

Part Alternates: 7617628, 5310-00-531-0208, 00-531-0208, 5310005310208, 005310208

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-531-0208

Drawings & Photos | NSN 5310-00-531-0208


Cross Reference | NSN 5310-00-531-0208

Part Number Cage Code Manufacturer
7617628 19200 US ARMY ARDEC RDECOM

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Technical Data | NSN 5310-00-531-0208

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 1213 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A101 KNURLED
NUT DIAMETER 1.250 INCHES NOMINAL
NUT THICKNESS 0.219 INCHES NOMINAL
COUNTERSINK ANGLE 110.0 DEGREES NOMINAL BOTH ENDS
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-00-531-0208

Category Code Description
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.
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 XX
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