R radius x 2: 0.057in; operating temperature: -65 to 275 degrees fahrenheit
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.
Classification: Gaskets,washers & other seals
NSN 2925-01-345-9439
NSN 4140-01-392-9049
NSN 5990-00-972-1404
NSN 6240-01-556-7096
NSN 6135-01-563-4445
NSN 5965-01-251-9480
NSN 6150-00-737-2400
NSN 7035-01-508-0619
NSN 2925-01-600-2309
NSN 5985-01-561-3020
NSN 5999-01-104-7152
NSN 5998-01-514-8717