74055 PC54

View detailed technical data, stock status, and sourcing information for: 74055 PC54
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-579-7921

Item Name Code

47946

Assigment Date

01/01/1963 (63 years ago)

160 maximum elongation percentage, -65.0 fahrenheit and 275.0 fahrenheit temp rating, 4.344 inches minimum and 4.374 inches maximum center hole diameter, 4.637 inches nominal outside diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height

Product Characteristics

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

Outside Diameter: 4.637 inches nominal
Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 4.344 inches minimum and 4.374 inches maximum
Elongation Percentage: 160 maximum
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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-326-4361	No Name Available	03/01/1988
5330-01-049-0033	No Name Available	03/01/1987

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
2-245N304-75	O-Ring
456-6849	O-Ring
513CD245	O-Ring
5330005797921	O-Ring
5331PL0890589	O-Ring
6230-23	O-Ring
74055 PC54	O-Ring
ARP568-245MILP5 516-70DURM	O-Ring
ASC1558523	O-Ring
MS28775-245	O-Ring
MS28775-245ES	O-Ring
SOR4.359X.139-70NBR	O-Ring
SP901B23	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-579-7921?

The FSCG of the NSN 5331-00-579-7921 is 5331

Does the NSN 5331-00-579-7921 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-579-7921 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 5331-00-579-7921 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-579-7921 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 5331-00-579-7921 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963