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20210PC25 O-Ring

5331-01-221-1122

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Official Item Classification

Name
O-Ring
Part Number
20210PC25
(NSN) National Stock Number
5331-01-221-1122
(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
11/23/1985 (40 years ago)

1.041 inches minimum and 1.061 inches maximum center hole diameter, -65.0 fahrenheit and 275.0 fahrenheit temp rating, 1.191 inches nominal peripheral diameter, 0.067 inches minimum and 0.073 inches maximum cross-sectional height, 125 maximum elongation percentage

Specs & Compatibility

Temp Rating

-65.0 fahrenheit and 275.0 fahrenheit

Cross-Sectional Height

0.067 inches minimum and 0.073 inches maximum

Center Hole Diameter

1.041 inches minimum and 1.061 inches maximum

Peripheral Diameter

1.191 inches nominal

Elongation Percentage

125 maximum

Hardness Rating

72.0 shore durometer a minimum and 78.0 shore durometer a maximum

Criticality Code Justification

zzzy

Material

rubber butadiene-acrylonitrile class nbr

Reference Number Differentiating Characteristics

material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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

Related Hardware Products

Part Number Description
20210PC25 O-Ring
SK-001ITEM2 O-Ring

Frequently Asked Questions

What is the FSCG of the NSN 5331-01-221-1122?
The FSCG of the NSN 5331-01-221-1122 is 5331
Does NSN 5331-01-221-1122 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 5331-01-221-1122 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-01-221-1122 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 5331-01-221-1122 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Sat, Nov 23, 1985