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5331-01-728-6778

O-Ring

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Official Item Classification

Name
O-Ring
(NSN) National Stock Number
5331-01-728-6778
(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
04/15/2025 (1 year ago)

0.067 inches minimum and 0.073 inches maximum cross-sectional height, -22.0 fahrenheit and 230.0 fahrenheit temp rating, 0.544 inches minimum and 0.558 inches maximum center hole diameter, 0.621 inches nominal outside diameter, 2355-01-654-5306 end item identification

Specs & Compatibility

Outside Diameter

0.621 inches nominal

Temp Rating

-22.0 fahrenheit and 230.0 fahrenheit

Cross-Sectional Height

0.067 inches minimum and 0.073 inches maximum

Center Hole Diameter

0.544 inches minimum and 0.558 inches maximum

End Item Identification

2355-01-654-5306

Cross-Sectional Diameter

0.067 inches minimum and 0.073 inches maximum

Hardness Rating

70.0 shore durometer a nominal

Part Name Assigned By Controlling Agency

oring .551x.070, nbr, 70

Special Features

material=acrylonitrile-butadiene rubber (nbr)

Color

black

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

Related Hardware Products

Part Number Description
500-001-015 O-Ring
D013U118 O-Ring

Frequently Asked Questions

What is the FSCG of the NSN 5331-01-728-6778?
The FSCG of the NSN 5331-01-728-6778 is 5331
Does NSN 5331-01-728-6778 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 5331-01-728-6778 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-01-728-6778 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 5331-01-728-6778 was assigned to the Federal Catalog?
It was assigned 1 year ago, on Tue, Apr 15, 2025