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2-254 O-Ring

5331-00-122-7253

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Official Item Classification

Name
O-Ring
Part Number
2-254
(NSN) National Stock Number
5331-00-122-7253
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5331 O-Ring
(INC) Item Name Code
47946
(FIIG) Federal Item Identification Guide
A510X0
Date
10/30/1968 (57 years ago)

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

Specs & Compatibility

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

Replacement For

Part Number Description
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

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0047946

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Frequently Asked Questions

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