5331-01-720-7718

Find complete technical information, availability, and procurement data for: 5331-01-720-7718
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-720-7718

Item Name Code

47946

Assigment Date

05/15/2024 (2 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.

oil or water or high temperature operating medium, 356.24 millimeters nominal outside diameter, 90.0 shore durometer a nominal hardness rating, -15.0 fahrenheit and 400.0 fahrenheit temp rating, 342.27 millimeters nominal center hole 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: 356.24 millimeters nominal
Temp Rating: -15.0 fahrenheit and 400.0 fahrenheit
Center Hole Diameter: 342.27 millimeters nominal
Hardness Rating: 90.0 shore durometer a nominal
Operating Medium: oil or water or high temperature
Part Name Assigned By Controlling Agency: o-ring
Special Features: hard, suited for higher pressures and abrasion, round
Color: black
Material: fluorocarbon rubber

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
ZUSAV90456	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-720-7718?

The FSCG of the NSN 5331-01-720-7718 is 5331

Does NSN 5331-01-720-7718 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 5331-01-720-7718 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-720-7718 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 5331-01-720-7718 was assigned to the Federal Catalog?

It was assigned 2 years ago, on Wed, May 15, 2024