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538649 Lock Washer

5310-00-342-9721

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Official Item Classification

Name
Lock Washer
Part Number
538649
(NSN) National Stock Number
5310-00-342-9721
(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
01/01/1963 (63 years ago)

fed std 66,aisi/sae 1020 fed std all material responses overall material document and classification, cadmium overall surface treatment, steel comp 1020 overall material, 0.188 inches nominal material thickness, 0.700 inches nominal outside diameter

Specs & Compatibility

Outside Diameter

0.700 inches nominal

Material Thickness

0.188 inches nominal

Material

steel comp 1020 overall

Material Document And Classification

fed std 66,aisi/sae 1020 fed std all material responses overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

qq-p-416 type 1 fed spec single treatment response overall

Style Designator

flat internal teeth

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0014218

Related Hardware Products

Part Number Description
538649 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-342-9721?
The FSCG of the NSN 5310-00-342-9721 is 5310
Does the NSN 5310-00-342-9721 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-342-9721 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 5310-00-342-9721 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-342-9721 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 5310-00-342-9721 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963