2-273

View detailed technical data, stock status, and sourcing information for: 2-273
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-121-8532

Item Name Code

47946

Assigment Date

11/10/1981 (44 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.

9.949 inches minimum and 10.075 inches maximum outside diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 9.679 inches minimum and 9.789 inches maximum center hole diameter, -45.0 fahrenheit and 225.0 fahrenheit temp rating, 786 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: 9.949 inches minimum and 10.075 inches maximum
Temp Rating: -45.0 fahrenheit and 225.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 9.679 inches minimum and 9.789 inches maximum
Elongation Percentage: 786 maximum
Hardness Rating: 40.0 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
2-273	O-Ring
2-273N545-40	O-Ring
933C055753-2	O-Ring
AMS3201J	O-Ring
AS568-273	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-121-8532?

The FSCG of the NSN 5331-01-121-8532 is 5331

Does the NSN 5331-01-121-8532 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-121-8532 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 5331-01-121-8532 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-121-8532 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 5331-01-121-8532 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Nov 10, 1981