456-6849

View detailed technical data, stock status, and sourcing information for: 456-6849
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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, 4.637 inches nominal outside diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, -65.0 fahrenheit and 275.0 fahrenheit temp rating, 4.344 inches minimum and 4.374 inches maximum center hole diameter

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Below is a list of NSNs that have been officially superseded by this NSN: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