5331-01-232-6990

Find complete technical information, availability, and procurement data for: 5331-01-232-6990
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-232-6990

Item Name Code

47946

Assigment Date

05/19/1986 (40 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

3.831 inches minimum and 3.887 inches maximum center hole diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 331 maximum elongation percentage, 4.101 inches minimum and 4.173 inches maximum outside diameter, -30.0 fahrenheit and 250.0 fahrenheit temp rating

Product Characteristics

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

Outside Diameter: 4.101 inches minimum and 4.173 inches maximum
Temp Rating: -30.0 fahrenheit and 250.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 3.831 inches minimum and 3.887 inches maximum
Elongation Percentage: 331 maximum
Hardness Rating: 70.0 shore durometer a nominal
Material: rubber butadiene-acrylonitrile class nbr

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
2-241N674-70	O-Ring
ASC1473979	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-232-6990?

The FSCG of the NSN 5331-01-232-6990 is 5331

Does the NSN 5331-01-232-6990 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-232-6990 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 5331-01-232-6990 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-232-6990 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 5331-01-232-6990 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, May 19, 1986