Product Details | DOUBLE HEXAGON SELF-LOCKING NUT

5310-00-840-0023 A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

Part Alternates: EB3962080, EB3962-080, 7748745, 5310-00-840-0023, 00-840-0023, 5310008400023, 008400023

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-840-0023

Drawings & Photos | NSN 5310-00-840-0023


Cross Reference | NSN 5310-00-840-0023

Part Number Cage Code Manufacturer
7748745 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
EB3962-080 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
EB3962-080 72962 HARVARD INDUSTRIES INC

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Technical Data | NSN 5310-00-840-0023

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYAMIDE LOCKING INSERT STEEL COMP 3140 NUT
SURFACE TREATMENT CADMIUM NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
HARDNESS RATING NOT RATED
NUT STYLE A16 DOUBLE HEXAGON
NUT HEIGHT 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-840-0023

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 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