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5310-01-017-2587

Lock Washer

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Official Item Classification

Name
Lock Washer
(NSN) National Stock Number
5310-01-017-2587
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
14218
(FIIG) Federal Item Identification Guide
A022B0
Date
03/05/1976 (50 years ago)

0.255 inches nominal hole diameter, 0.489 inches nominal outside diameter, steel comp 302 overall material, annealed heat treatment, 0.047 inches nominal material thickness

Specs & Compatibility

Hole Diameter

0.255 inches nominal

Outside Diameter

0.489 inches nominal

Material Thickness

0.047 inches nominal

Heat Treatment

annealed

Material

steel comp 302 overall

Material Document And Classification

qq-s-766 fed spec single material response overall

Style Designator

split helical-right hand

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

0014218

Related Hardware Products

Part Number Description
988780-17901 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-017-2587?
The FSCG of the NSN 5310-01-017-2587 is 5310
Does the NSN 5310-01-017-2587 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-01-017-2587 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 5310-01-017-2587 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-017-2587 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 5310-01-017-2587 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Fri, Mar 5, 1976