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N256-85 O-Ring

5331-00-253-0484

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Official Item Classification

Name
O-Ring
Part Number
N256-85
(NSN) National Stock Number
5331-00-253-0484
(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
08/19/1973 (53 years ago)

rubber synthetic material, 0.067 inches minimum and 0.073 inches maximum cross-sectional height, 0.357 inches minimum and 0.371 inches maximum center hole diameter

Specs & Compatibility

Cross-Sectional Height

0.067 inches minimum and 0.073 inches maximum

Center Hole Diameter

0.357 inches minimum and 0.371 inches maximum

Material

rubber synthetic

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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.

Source of Supply Code

SMS

Pseudo Item Name Code

0047946

Related Hardware Products

Part Number Description
2-012N256-85 O-Ring
200-2388-020 O-Ring
N256-85 O-Ring

Frequently Asked Questions

What is the FSCG of the NSN 5331-00-253-0484?
The FSCG of the NSN 5331-00-253-0484 is 5331
Does the NSN 5331-00-253-0484 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-253-0484 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 5331-00-253-0484 contain precious materials?
Precious metal content is unknown
Does NSN 5331-00-253-0484 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 5331-00-253-0484 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Aug 19, 1973