5331-00-031-2558

Find complete technical information, availability, and procurement data for: 5331-00-031-2558
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-031-2558

Item Name Code

47946

Assigment Date

10/21/1972 (53 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

0.067 inches minimum and 0.073 inches maximum cross-sectional height, 125 maximum elongation percentage, 0.667 inches minimum and 0.685 inches maximum center hole diameter, 0.801 inches minimum and 0.831 inches maximum outside diameter, -25.0 fahrenheit and 275.0 fahrenheit temp rating

Product Characteristics

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

Outside Diameter: 0.801 inches minimum and 0.831 inches maximum
Temp Rating: -25.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.067 inches minimum and 0.073 inches maximum
Center Hole Diameter: 0.667 inches minimum and 0.685 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 75.0 shore durometer a nominal
Material: rubber butadiene-acrylonitrile class nbr

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
1S8947	O-Ring
2-017N951-75	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-031-2558?

The FSCG of the NSN 5331-00-031-2558 is 5331

Does the NSN 5331-00-031-2558 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-031-2558 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 5331-00-031-2558 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-031-2558 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 5331-00-031-2558 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sat, Oct 21, 1972