RT253-65-440

View detailed technical data, stock status, and sourcing information for: RT253-65-440
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-252-6042

Item Name Code

47946

Assigment Date

01/01/1963 (63 years ago)

200 maximum elongation percentage, 0.269 inches minimum and 0.281 inches maximum cross-sectional height, 7.275 inches nominal outside diameter, 6.702 inches minimum and 6.748 inches maximum center hole diameter, -65.0 fahrenheit and 200.0 fahrenheit temp rating

Product Characteristics

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

Outside Diameter: 7.275 inches nominal
Temp Rating: -65.0 fahrenheit and 200.0 fahrenheit
Cross-Sectional Height: 0.269 inches minimum and 0.281 inches maximum
Center Hole Diameter: 6.702 inches minimum and 6.748 inches maximum
Elongation Percentage: 200 maximum
Hardness Rating: 60.0 shore durometer a nominal
Material: rubber butadiene-acrylonitrile class nbr

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
10V60-141-440	O-Ring
1793-440	O-Ring
2-440 N602-70	O-Ring
457-60-440	O-Ring
60-P-31-440	O-Ring
C-69-440	O-Ring
MS29513-440	O-Ring
PRP568-440-60	O-Ring
PX1775-440	O-Ring
RT253-65-440	O-Ring
SR-822A-60-440	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-252-6042?

The FSCG of the NSN 5331-00-252-6042 is 5331

Does the NSN 5331-00-252-6042 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-252-6042 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 5331-00-252-6042 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-252-6042 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 5331-00-252-6042 was assigned to the Federal Catalog?

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