2-443

View detailed technical data, stock status, and sourcing information for: 2-443
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-005-2307

Item Name Code

47946

Assigment Date

06/22/1975 (51 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.

-20.0 fahrenheit and 400.0 fahrenheit temp rating, 8.025 inches nominal outside diameter, 7.430 inches minimum and 7.520 inches maximum center hole diameter, 125 maximum elongation percentage, 0.269 inches minimum and 0.281 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: 8.025 inches nominal
Temp Rating: -20.0 fahrenheit and 400.0 fahrenheit
Cross-Sectional Height: 0.269 inches minimum and 0.281 inches maximum
Center Hole Diameter: 7.430 inches minimum and 7.520 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 75.0 shore durometer a nominal
Material: rubber fluorocarbon class fpm

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5331-00-763-0260	No Name Available	08/01/2007
5330-00-892-2596	No Name Available	07/01/1988

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
13328-1PC4	O-Ring
2-443	O-Ring
399-443-72	O-Ring
ARP568-443MILG23652TY1	O-Ring
AS3209-443	O-Ring
D51-18	O-Ring
F16094-16	O-Ring
M83248/-443	O-Ring
M83248/1-443	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-005-2307?

The FSCG of the NSN 5331-01-005-2307 is 5331

Does the NSN 5331-01-005-2307 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-005-2307 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 5331-01-005-2307 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-005-2307 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 5331-01-005-2307 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Jun 22, 1975