5331-01-165-7581

Find complete technical information, availability, and procurement data for: 5331-01-165-7581
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-165-7581

Item Name Code

47946

Assigment Date

11/03/1983 (42 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.

2.835 inches minimum and 2.865 inches maximum center hole diameter, 0.206 inches minimum and 0.215 inches maximum cross-sectional height, -85.0 fahrenheit and 401.0 fahrenheit temp rating, 125 maximum elongation percentage, 3.270 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: 3.270 inches nominal
Temp Rating: -85.0 fahrenheit and 401.0 fahrenheit
Cross-Sectional Height: 0.206 inches minimum and 0.215 inches maximum
Center Hole Diameter: 2.835 inches minimum and 2.865 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 70.0 shore durometer a nominal
Material: rubber silicone class q
Material Document And Classification: ams 3304 assn std 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
AS3582-336	O-Ring
MS9068-336	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-165-7581?

The FSCG of the NSN 5331-01-165-7581 is 5331

Does the NSN 5331-01-165-7581 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-165-7581 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 5331-01-165-7581 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-165-7581 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 5331-01-165-7581 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Nov 3, 1983