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42663 Flat Washer

5310-00-366-3749

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Official Item Classification

Name
Flat Washer
Part Number
42663
(NSN) National Stock Number
5310-00-366-3749
(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)

round center hole shape style, 0.191 inches minimum and 0.201 inches maximum hole diameter, rectangular cross-sectional shape style, round peripheral shape style, 0.031 inches nominal thickness

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

0.191 inches minimum and 0.201 inches maximum

Peripheral Shape Style

round

Center Hole Shape Style

round

Thickness

0.031 inches nominal

Overall Diameter

0.438 inches nominal

Material

steel 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.

Source of Supply Code

MPB

Pseudo Item Name Code

0013393

Related Hardware Products

Part Number Description
42663 Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-366-3749?
The FSCG of the NSN 5310-00-366-3749 is 5310
Does NSN 5310-00-366-3749 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 5310-00-366-3749 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-366-3749 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 5310-00-366-3749 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961