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5310-00-900-4381

Barrel Self-Locking Nut

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Official Item Classification

Name
Barrel Self-Locking Nut
(NSN) National Stock Number
5310-00-900-4381
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15891
(FIIG) Federal Item Identification Guide
A021A0
Date
02/10/1967 (59 years ago)

prevailing torque all metal design locking feature, 3b thread class, right-hand thread direction, 0.525 inches minimum and 0.528 inches maximum nut diameter, floating self-locking barrel nut style

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Nut Style

floating self-locking barrel

Nut Diameter

0.525 inches minimum and 0.528 inches maximum

Nut Length

0.625 inches nominal

Barrel Height

0.310 inches minimum and 0.320 inches maximum

Nut Height

0.406 inches maximum

Temp Rating

500.0 fahrenheit nominal

Thread Series

unjf

Features Provided

floating nut

Thread Quantity Per Inch

28

Nominal Thread Size

0.250 inches

Material

steel 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

0015891

Related Hardware Products

Part Number Description
NAS577-4F Barrel Self-Locking Nut
NAS577B4F Barrel Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-900-4381?
The FSCG of the NSN 5310-00-900-4381 is 5310
Does the NSN 5310-00-900-4381 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-900-4381 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 5310-00-900-4381 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-900-4381 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 5310-00-900-4381 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Feb 10, 1967