5331-00-297-9981

Find complete technical information, availability, and procurement data for: 5331-00-297-9981
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-297-9981

Item Name Code

47946

Assigment Date

01/01/1963 (63 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

rubber butadiene-acrylonitrile class nbr material, 2.399 inches minimum and 2.619 inches maximum center hole diameter, 0.135 inches minimum and 0.143 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: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 2.399 inches minimum and 2.619 inches maximum
Material: rubber butadiene-acrylonitrile class nbr

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-530-1912	No Name Available	01/01/1963
5330-00-599-0524	No Name Available	01/01/1963

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
105891	O-Ring
5065D34	O-Ring
AN123840	O-Ring
AN123891	O-Ring
AS3570-231	O-Ring
N0180 2-231	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-297-9981?

The FSCG of the NSN 5331-00-297-9981 is 5331

Does the NSN 5331-00-297-9981 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-297-9981 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 5331-00-297-9981 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-297-9981 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 5331-00-297-9981 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963