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689504 Flat Washer

5310-00-252-4078

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Official Item Classification

Name
Flat Washer
Part Number
689504
(NSN) National Stock Number
5310-00-252-4078
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
13393
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1961 (65 years ago)

1.859 inches nominal hole diameter, round peripheral shape style, 0.125 inches nominal thickness, rectangular cross-sectional shape style, round center hole shape style

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

1.859 inches nominal

Peripheral Shape Style

round

Center Hole Shape Style

round

Thickness

0.125 inches nominal

Overall Diameter

2.297 inches nominal

Material

cork overall

Material Document And Classification

mil-c-16090 fed spec single material response overall

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

0013393

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-252-4078?
The FSCG of the NSN 5310-00-252-4078 is 5310
Does the NSN 5310-00-252-4078 have a Schedule B code assigned?
Yes, the Schedule B code is 4503900000
Does NSN 5310-00-252-4078 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 5310-00-252-4078 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-252-4078 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 5310-00-252-4078 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961