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CSP73-2 Flat Washer

5310-00-856-3421

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Official Item Classification

Name
Flat Washer
Part Number
CSP73-2
(NSN) National Stock Number
5310-00-856-3421
(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
01/01/1962 (64 years ago)

round peripheral shape style, rectangular cross-sectional shape style, round center hole shape style, 0.166 inches nominal hole diameter, 0.064 inches nominal thickness

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

0.166 inches nominal

Peripheral Shape Style

round

Center Hole Shape Style

round

Thickness

0.064 inches nominal

Overall Diameter

1.000 inches nominal

Material

aluminum alloy 2024 overall

Material Document And Classification

qq-a-250/5,alclad fed spec single material response overall

Surface Treatment

phosphate 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

Related Hardware Products

Part Number Description
CSP73-2 Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-856-3421?
The FSCG of the NSN 5310-00-856-3421 is 5310
Does the NSN 5310-00-856-3421 have a Schedule B code assigned?
Yes, the Schedule B code is 7616108000
Does NSN 5310-00-856-3421 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 5310-00-856-3421 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-856-3421 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 5310-00-856-3421 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962