5331-01-247-6866

Find complete technical information, availability, and procurement data for: 5331-01-247-6866
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-247-6866

Item Name Code

47946

Assigment Date

01/09/1987 (39 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.

20.910 inches minimum and 21.000 inches maximum center hole diameter, 21.375 inches nominal outside diameter, 0.205 inches minimum and 0.215 inches maximum cross-sectional height, -65.0 fahrenheit and 275.0 fahrenheit temp rating, 160 maximum elongation percentage

Product Characteristics

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

Outside Diameter: 21.375 inches nominal
Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.205 inches minimum and 0.215 inches maximum
Center Hole Diameter: 20.910 inches minimum and 21.000 inches maximum
Elongation Percentage: 160 maximum
Material: rubber butadiene-acrylonitrile class nbr

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5331-01-526-8397	No Name Available	02/01/2022

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
MS28775-390	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-247-6866?

The FSCG of the NSN 5331-01-247-6866 is 5331

Does the NSN 5331-01-247-6866 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-247-6866 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 5331-01-247-6866 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-247-6866 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 5331-01-247-6866 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jan 9, 1987