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RT253-65-363

View detailed technical data, stock status, and sourcing information for: RT253-65-363

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RT253-65-363
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-00-404-8234
Item Name Code
47946
Assigment Date
08/13/1969 (57 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

6.452 inches minimum and 6.498 inches maximum center hole diameter, 0.205 inches minimum and 0.215 inches maximum cross-sectional height, rubber butadiene-acrylonitrile class nbr material, 6.845 inches minimum and 6.945 inches maximum outside 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
6.845 inches minimum and 6.945 inches maximum
Cross-Sectional Height
0.205 inches minimum and 0.215 inches maximum
Center Hole Diameter
6.452 inches minimum and 6.498 inches maximum
Material
rubber butadiene-acrylonitrile class nbr

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FAQs

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

What is the FSCG of the NSN 5331-00-404-8234?
The FSCG of the NSN 5331-00-404-8234 is 5331
Does the NSN 5331-00-404-8234 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-404-8234 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 5331-00-404-8234 contain precious materials?
Precious metal content is unknown
Does NSN 5331-00-404-8234 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 5331-00-404-8234 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Aug 13, 1969

Professional Distribution

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