AS3581-252

View detailed technical data, stock status, and sourcing information for: AS3581-252
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-177-9769

Item Name Code

47946

Assigment Date

04/30/1984 (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.

-15.0 fahrenheit and 500.0 fahrenheit temp rating, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 5.512 inches nominal peripheral diameter, 5.199 inches minimum and 5.269 inches maximum center hole diameter, 85.0 shore durometer a minimum and 95.0 shore durometer a maximum hardness rating

Product Characteristics

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

Temp Rating: -15.0 fahrenheit and 500.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 5.199 inches minimum and 5.269 inches maximum
Peripheral Diameter: 5.512 inches nominal
Hardness Rating: 85.0 shore durometer a minimum and 95.0 shore durometer a maximum
Material: rubber fluorocarbon class fpm

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
15S341PIECE57	O-Ring
5330PL1326295	O-Ring
AS3581-252	O-Ring
M83248/2-252	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-177-9769?

The FSCG of the NSN 5331-01-177-9769 is 5331

Does NSN 5331-01-177-9769 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 5331-01-177-9769 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-177-9769 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 5331-01-177-9769 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Apr 30, 1984