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90318 O-Ring

5331-01-033-8621

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Official Item Classification

Name
O-Ring
Part Number
90318
(NSN) National Stock Number
5331-01-033-8621
(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
01/13/1977 (49 years ago)

5.723 inches minimum and 5.817 inches maximum outside diameter, rubber butadiene-acrylonitrile class nbr material, 5.327 inches minimum and 5.373 inches maximum center hole diameter, 0.205 inches minimum and 0.215 inches maximum cross-sectional height, 65.0 shore durometer a nominal hardness rating

Specs & Compatibility

Outside Diameter

5.723 inches minimum and 5.817 inches maximum

Cross-Sectional Height

0.205 inches minimum and 0.215 inches maximum

Center Hole Diameter

5.327 inches minimum and 5.373 inches maximum

Hardness Rating

65.0 shore durometer a nominal

Material

rubber butadiene-acrylonitrile class nbr

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

0047946

Related Hardware Products

Part Number Description
109A903182 O-Ring
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90318 O-Ring
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MS9021-356 O-Ring
N0506 2-356 O-Ring
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Frequently Asked Questions

What is the FSCG of the NSN 5331-01-033-8621?
The FSCG of the NSN 5331-01-033-8621 is 5331
Does the NSN 5331-01-033-8621 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-01-033-8621 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 5331-01-033-8621 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-01-033-8621 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 5331-01-033-8621 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Thu, Jan 13, 1977