2-254

View detailed technical data, stock status, and sourcing information for: 2-254
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-122-7253

Item Name Code

47946

Assigment Date

10/30/1968 (57 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.

331 maximum elongation percentage, 5.719 inches minimum and 5.805 inches maximum outside diameter, -30.0 fahrenheit and 250.0 fahrenheit temp rating, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 5.461 inches minimum and 5.507 inches maximum center hole diameter

Product Characteristics

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

Outside Diameter: 5.719 inches minimum and 5.805 inches maximum
Temp Rating: -30.0 fahrenheit and 250.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 5.461 inches minimum and 5.507 inches maximum
Elongation Percentage: 331 maximum
Hardness Rating: 70.0 shore durometer a nominal
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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-907-5948	No Name Available	12/01/1978
5330-01-035-7506	No Name Available	10/01/1977
5330-01-400-3272	No Name Available	08/01/1996

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
2-254	O-Ring
2-254-N-219-70	O-Ring
2-254N674	O-Ring
2-254N674-70	O-Ring
20A11C2M254	O-Ring
274485PC3	O-Ring
275744154	O-Ring
3040107	O-Ring
5331PL0755708	O-Ring
6018/2 PL REV A FN 7	O-Ring
6018/2 REV F FN 7	O-Ring
928594-17	O-Ring
AMS568	O-Ring
AMS568-254	O-Ring
D0551372	O-Ring
E3355 PC NO. 18 5IN	O-Ring
N0674 2-254	O-Ring
N72254	O-Ring
NB398254-72	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-122-7253?

The FSCG of the NSN 5331-00-122-7253 is 5331

Does the NSN 5331-00-122-7253 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-122-7253 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 5331-00-122-7253 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-122-7253 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 5331-00-122-7253 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Oct 30, 1968