RT253-65-388

View detailed technical data, stock status, and sourcing information for: RT253-65-388
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-028-9349

Item Name Code

47946

Assigment Date

10/13/1976 (49 years ago)

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes:gear subassembly, speed decreaser.

18.910 inches minimum and 19.000 inches maximum center hole diameter, -65.0 fahrenheit and 200.0 fahrenheit temp rating, 0.205 inches minimum and 0.215 inches maximum cross-sectional height, 19.375 inches nominal outside diameter, 200 maximum elongation percentage

Product Characteristics

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

Outside Diameter: 19.375 inches nominal
Temp Rating: -65.0 fahrenheit and 200.0 fahrenheit
Cross-Sectional Height: 0.205 inches minimum and 0.215 inches maximum
Center Hole Diameter: 18.910 inches minimum and 19.000 inches maximum
Elongation Percentage: 200 maximum
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
10V60-141-388	O-Ring
1793-388	O-Ring
2-388 N602-70	O-Ring
457-60-388	O-Ring
60-P-31-388	O-Ring
7866-388	O-Ring
AS29513-388	O-Ring
C-69-388	O-Ring
MS29513-388	O-Ring
PRP5683884457-65	O-Ring
PX1775-388	O-Ring
RT253-65-388	O-Ring
SR-822A-60-388	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-028-9349?

The FSCG of the NSN 5331-01-028-9349 is 5331

Does the NSN 5331-01-028-9349 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-028-9349 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 5331-01-028-9349 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-028-9349 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 5331-01-028-9349 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, Oct 13, 1976