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5331-00-641-3656

O-Ring

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Official Item Classification

Name
O-Ring
(NSN) National Stock Number
5331-00-641-3656
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5331 O-Ring
(INC) Item Name Code
47946
(FIIG) Federal Item Identification Guide
A510X0
Date
01/01/1963 (63 years ago)

2.589 inches minimum and 2.629 inches maximum center hole diameter, 2.887 inches nominal outside diameter, 250 maximum elongation percentage, 0.125 inches nominal cross-sectional height, 65.0 shore durometer a nominal hardness rating

Specs & Compatibility

Outside Diameter

2.887 inches nominal

Cross-Sectional Height

0.125 inches nominal

Center Hole Diameter

2.589 inches minimum and 2.629 inches maximum

Elongation Percentage

250 maximum

Hardness Rating

65.0 shore durometer a nominal

Material

rubber synthetic

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

0047946

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Frequently Asked Questions

What is the FSCG of the NSN 5331-00-641-3656?
The FSCG of the NSN 5331-00-641-3656 is 5331
Does the NSN 5331-00-641-3656 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-641-3656 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 5331-00-641-3656 contain precious materials?
Precious metal content is unknown
Does NSN 5331-00-641-3656 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 5331-00-641-3656 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963