5331-00-237-7644

Find complete technical information, availability, and procurement data for: 5331-00-237-7644
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-237-7644

Item Name Code

47946

Assigment Date

10/28/1970 (55 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.

2.033 inches minimum and 2.067 inches maximum center hole diameter, 0.094 inches nominal cross-sectional height, plastic polytetrafluoroethylene material, 2.256 inches nominal outside diameter

Product Characteristics

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

Outside Diameter: 2.256 inches nominal
Cross-Sectional Height: 0.094 inches nominal
Center Hole Diameter: 2.033 inches minimum and 2.067 inches maximum
Material: plastic polytetrafluoroethylene

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
AS568-137AMS3651	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-237-7644?

The FSCG of the NSN 5331-00-237-7644 is 5331

Does the NSN 5331-00-237-7644 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5331-00-237-7644 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 5331-00-237-7644 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-237-7644 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 5331-00-237-7644 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Oct 28, 1970