5331-01-398-1781

Find complete technical information, availability, and procurement data for: 5331-01-398-1781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-398-1781

Item Name Code

47946

Assigment Date

10/26/1994 (31 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

75.0 shore durometer a minimum and 85.0 shore durometer a maximum hardness rating, -65.0 fahrenheit and 275.0 fahrenheit temp rating, 0.296 inches minimum and 0.306 inches maximum center hole diameter, 0.061 inches minimum and 0.067 inches maximum cross-sectional height, rubber material

Product Characteristics

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

Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.061 inches minimum and 0.067 inches maximum
Center Hole Diameter: 0.296 inches minimum and 0.306 inches maximum
Hardness Rating: 75.0 shore durometer a minimum and 85.0 shore durometer a maximum
Material: rubber
Material Document And Classification: mil-p-81716 mil spec 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
MS3393-3	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-398-1781?

The FSCG of the NSN 5331-01-398-1781 is 5331

Does the NSN 5331-01-398-1781 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-398-1781 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 5331-01-398-1781 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-398-1781 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 5331-01-398-1781 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Oct 26, 1994