Product Details | HEXAGON SLOTTED PLAIN NUT

5310-00-021-8506 A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, CASTELLATED, HEXAGON.

Part Alternates: 218506, 272081, 5310-00-021-8506, 00-021-8506, 5310000218506, 000218506

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-021-8506

Drawings & Photos | NSN 5310-00-021-8506


Cross Reference | NSN 5310-00-021-8506

Part Number Cage Code Manufacturer
218506 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
218506 24617 GENERAL MOTORS CORP
218506 72915 GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
218506 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
272081 24617 GENERAL MOTORS CORP
272081 72915 GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
272081 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS

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Technical Data | NSN 5310-00-021-8506

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 1.250 INCHES
THREAD QUANTITY PER INCH 7
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A17 SLOTTED, HEXAGON
NUT HEIGHT 1.187 INCHES MINIMUM AND 1.251 INCHES MAXIMUM
WIDTH ACROSS FLATS 1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-00-021-8506

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 U 50
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