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5310-00-945-0840

Double Hexagon Self-Locking Nut

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Official Item Classification

Name
Double Hexagon Self-Locking Nut
(NSN) National Stock Number
5310-00-945-0840
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
05276
(FIIG) Federal Item Identification Guide
A021A0
Date
03/04/1966 (60 years ago)

prevailing torque all metal design locking feature, double hexagon nut style, 0.448 inches minimum and 0.458 inches maximum nut height, 3b thread class, right-hand thread direction

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Nut Style

double hexagon

Nut Height

0.448 inches minimum and 0.458 inches maximum

Width Across Flats

0.496 inches nominal

Thread Series

unjf

Thread Quantity Per Inch

24

Nominal Thread Size

0.375 inches

Bearing Surface Type

chamfered

Material

steel comp 8740 overall

Material Document And Classification

ams 6322 assn std single material response overall

Surface Treatment

cadmium overall

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content 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.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005276

Related Hardware Products

Part Number Description
502091 Double Hexagon Self-Locking Nut
502093 Double Hexagon Self-Locking Nut
502094 Double Hexagon Self-Locking Nut
DLH6625-064 Double Hexagon Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-945-0840?
The FSCG of the NSN 5310-00-945-0840 is 5310
Does the NSN 5310-00-945-0840 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-945-0840 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-945-0840 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-945-0840 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-945-0840 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Mar 4, 1966