5331-01-521-8979

Find complete technical information, availability, and procurement data for: 5331-01-521-8979
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-521-8979

Item Name Code

47946

Assigment Date

07/09/2004 (22 years ago)

An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.

65.0 shore durometer a minimum and 75.0 shore durometer a maximum hardness rating, slpiced o-cord 0.139 + or - 0.005 inches c/s cut to 61.696 + or - 0125 inches long -- a solid piece with a nomial 19.500 in made from n7021 nitrile 70 + or - 5 durometer special features, 19.500 inches nominal center hole diameter, rubber butadiene-acrylonitrile class nbr material, 0.134 inches minimum and 0.144 inches maximum cross-sectional height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Height: 0.134 inches minimum and 0.144 inches maximum
Center Hole Diameter: 19.500 inches nominal
Hardness Rating: 65.0 shore durometer a minimum and 75.0 shore durometer a maximum
Special Features: slpiced o-cord 0.139 + or - 0.005 inches c/s cut to 61.696 + or - 0125 inches long -- a solid piece with a nomial 19.500 in made from n7021 nitrile 70 + or - 5 durometer
Material: rubber butadiene-acrylonitrile class nbr
Material Document And Classification: parker (60363) material n7021 mfr ref single material response

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
41582N	O-Ring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5331-01-521-8979?

The FSCG of the NSN 5331-01-521-8979 is 5331

Does the NSN 5331-01-521-8979 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-521-8979 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 5331-01-521-8979 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-521-8979 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 5331-01-521-8979 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Fri, Jul 9, 2004