2-259N304-75

View detailed technical data, stock status, and sourcing information for: 2-259N304-75
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-063-8978

Item Name Code

47946

Assigment Date

08/14/1978 (48 years ago)

A headed fastening device having a smooth solid shank designed to have the shank end upset after insertion.

6.211 inches minimum and 6.257 inches maximum center hole diameter, 6.464 inches minimum and 6.560 inches maximum outside diameter, rubber butadiene-acrylonitrile class nbr material, 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: 6.464 inches minimum and 6.560 inches maximum
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 6.211 inches minimum and 6.257 inches 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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-115-1410	No Name Available	12/01/1995
5330-00-180-9920	No Name Available	01/01/1983
5330-00-472-8597	No Name Available	03/01/1990
5330-01-030-1119	No Name Available	04/01/1984
5330-01-079-5183	No Name Available	10/01/1981

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
2-259N304-75	O-Ring
3326568	O-Ring
5331PL1316361	O-Ring
ARP568-259MILP25732	O-Ring
AS28775 P/N MS28775-259	O-Ring
PRP568-259-4067-70	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-063-8978?

The FSCG of the NSN 5331-01-063-8978 is 5331

Does the NSN 5331-01-063-8978 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-063-8978 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 5331-01-063-8978 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-063-8978 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 5331-01-063-8978 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Aug 14, 1978