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5310-01-381-9599

Flat Washer

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Official Item Classification

Name
Flat Washer
(NSN) National Stock Number
5310-01-381-9599
(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
10/26/1993 (32 years ago)

rectangular cross-sectional shape style, round center hole shape style, square peripheral shape style, 0.281 inches nominal hole diameter, 0.120 inches nominal thickness

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

0.281 inches nominal

Peripheral Shape Style

square

Center Hole Shape Style

round

Thickness

0.120 inches nominal

Width Across Flats

2.000 inches nominal

Material

steel comp 304 overall

Material Document And Classification

astm a240 assn std single material response 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

0013393

Related Hardware Products

Part Number Description
248534 Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-381-9599?
The FSCG of the NSN 5310-01-381-9599 is 5310
Does the NSN 5310-01-381-9599 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-381-9599 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 5310-01-381-9599 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-381-9599 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 5310-01-381-9599 was assigned to the Federal Catalog?
It was assigned 32 years ago, on Tue, Oct 26, 1993