M25988/1-333

View detailed technical data, stock status, and sourcing information for: M25988/1-333
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-558-1003

Item Name Code

47946

Assigment Date

11/11/1974 (51 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.

125 maximum elongation percentage, 2.455 inches minimum and 2.495 inches maximum center hole diameter, 70.0 shore durometer a nominal hardness rating, 2.895 inches nominal outside diameter, 0.205 inches minimum and 0.215 inches maximum cross-sectional height

Product Characteristics

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

Outside Diameter: 2.895 inches nominal
Cross-Sectional Height: 0.205 inches minimum and 0.215 inches maximum
Center Hole Diameter: 2.455 inches minimum and 2.495 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 70.0 shore durometer a nominal
Material: rubber fluorosilicone class fq

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
M25988/1-333	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-558-1003?

The FSCG of the NSN 5331-00-558-1003 is 5331

Does the NSN 5331-00-558-1003 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-558-1003 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 5331-00-558-1003 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-558-1003 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 5331-00-558-1003 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Mon, Nov 11, 1974