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5310-01-444-1237

Extended Washer Self-Locking Nut

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Official Item Classification

Name
Extended Washer Self-Locking Nut
(NSN) National Stock Number
5310-01-444-1237
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
29730
(FIIG) Federal Item Identification Guide
A021A0
Date
04/29/1997 (29 years ago)

3b thread class, dry film lubricant lubrication, right-hand thread direction, prevailing torque all metal design locking feature, 0.335 inches minimum and 0.345 inches maximum washer outside diameter

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Washer Outside Diameter

0.335 inches minimum and 0.345 inches maximum

Lubrication

dry film lubricant

Overall Height

0.227 inches maximum

Nut Style

hexagon

Washer Thickness

0.061 inches minimum and 0.071 inches maximum

Width Across Flats

0.213 inches minimum and 0.221 inches maximum

Temp Rating

800.0 fahrenheit maximum

Thread Series

unjc

Thread Quantity Per Inch

32

Nominal Thread Size

0.164 inches

Material

iron alloy 660 overall

Material Document And Classification

ams 5737 assn std single material response overall

Precious Material And Location

all surfaces silver

Precious Material

silver

Surface Treatment

silver overall

Surface Treatment Document And Classification

qq-s-365 fed spec single treatment response or ams 2410 assn std single treatment response overall

Regulatory Compliance

Precious Metals Indicator
S

Item contains silver.

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

0029730

Related Hardware Products

Part Number Description
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HK52738-08 Extended Washer Self-Locking Nut
VN376B82W Extended Washer Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-444-1237?
The FSCG of the NSN 5310-01-444-1237 is 5310
Does the NSN 5310-01-444-1237 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-444-1237 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 5310-01-444-1237 contain precious materials?
Item contains silver.
Does NSN 5310-01-444-1237 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 5310-01-444-1237 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Tue, Apr 29, 1997