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5310-01-252-5299

Extended Washer Self-Locking Nut

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Official Item Classification

Name
Extended Washer Self-Locking Nut
(NSN) National Stock Number
5310-01-252-5299
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
29729
(FIIG) Federal Item Identification Guide
A021A0
Date
04/03/1987 (39 years ago)

3b thread class, right-hand thread direction, prevailing torque all metal design locking feature, 0.586 inches nominal overall height, 1.050 inches nominal washer outside diameter

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Washer Outside Diameter

1.050 inches nominal

Overall Height

0.586 inches nominal

Nut Style

double hexagon

Washer Thickness

0.099 inches nominal

Thread Series

unc

Thread Quantity Per Inch

11

Hardness Rating

26.0 rockwell c minimum and 36.0 rockwell c maximum

Nominal Thread Size

0.625 inches

Material

nickel alloy k-500 or nickel alloy 502 overall

Material Document And Classification

qq-n-286 fed spec all material responses overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

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

0029729

Related Hardware Products

Part Number Description
69929-1011 Extended Washer Self-Locking Nut
845-2920656-1 Extended Washer Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-252-5299?
The FSCG of the NSN 5310-01-252-5299 is 5310
Does the NSN 5310-01-252-5299 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5310-01-252-5299 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 5310-01-252-5299 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-252-5299 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 5310-01-252-5299 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Fri, Apr 3, 1987