RT253-65-268

View detailed technical data, stock status, and sourcing information for: RT253-65-268
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-263-8007

Item Name Code

47946

Assigment Date

01/01/1963 (63 years ago)

rubber butadiene-acrylonitrile class nbr material, 8.704 inches minimum and 8.820 inches maximum outside diameter, 8.454 inches minimum and 8.514 inches maximum center hole 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: 8.704 inches minimum and 8.820 inches maximum
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 8.454 inches minimum and 8.514 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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-618-8895	No Name Available	01/01/1960

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
10V60-141-268	O-Ring
1793-268	O-Ring
2-268	O-Ring
2-268 N602-70	O-Ring
268-C-69	O-Ring
457-60-268	O-Ring
60-P-31-268	O-Ring
725-70-268	O-Ring
7866-268	O-Ring
C-69-268	O-Ring
GS570EM268	O-Ring
MS29513-268	O-Ring
PRP568-268-457-60	O-Ring
PZ1775-268	O-Ring
RT253-65-268	O-Ring
SR-822A-60-268	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-263-8007?

The FSCG of the NSN 5331-00-263-8007 is 5331

Does the NSN 5331-00-263-8007 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-263-8007 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 5331-00-263-8007 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-263-8007 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 5331-00-263-8007 was assigned to the Federal Catalog?

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