NM304 2-277

View detailed technical data, stock status, and sourcing information for: NM304 2-277
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-126-1381

Item Name Code

47946

Assigment Date

02/06/1982 (44 years ago)

11.762 inches nominal outside diameter, 11.454 inches minimum and 11.514 inches maximum center hole diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 160 maximum elongation percentage, -65.0 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: 11.762 inches nominal
Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 11.454 inches minimum and 11.514 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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-405-0808	No Name Available	12/01/1987
5330-00-414-2016	No Name Available	04/01/1985

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
MS28775-277	O-Ring
NM304 2-277	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-126-1381?

The FSCG of the NSN 5331-01-126-1381 is 5331

Does the NSN 5331-01-126-1381 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-126-1381 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 5331-01-126-1381 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-126-1381 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 5331-01-126-1381 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Feb 6, 1982