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5310-01-376-0774

Hexagon Self-Locking Nut

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Official Item Classification

Name
Hexagon Self-Locking Nut
(NSN) National Stock Number
5310-01-376-0774
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
05277
(FIIG) Federal Item Identification Guide
A021A0
Date
05/27/1993 (33 years ago)

hexagon nut style, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 3b thread class, 0.341 inches minimum and 0.377 inches maximum nut height

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque with nonmetallic insert

Nut Style

hexagon

Nut Height

0.341 inches minimum and 0.377 inches maximum

Width Across Flats

0.669 inches minimum

Thread Series

unc

Thread Quantity Per Inch

16

Nominal Thread Size

0.375 inches

Bearing Surface Type

chamfered or washer faced

Material

nickel alloy r-405 overall except insert

Material

plastic polyamide (nylon) locking insert

Material Document And Classification

qq-n-281 cl b fed spec single material response overall except insert

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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

0005277

Related Hardware Products

Part Number Description
803-5001003-B512-63 Hexagon Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-376-0774?
The FSCG of the NSN 5310-01-376-0774 is 5310
Does the NSN 5310-01-376-0774 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5310-01-376-0774 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 5310-01-376-0774 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-376-0774 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 5310-01-376-0774 was assigned to the Federal Catalog?
It was assigned 33 years ago, on Thu, May 27, 1993