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 5895-01-481-5336
NSN 5999-00-226-3488
NSN 5935-01-118-8839
NSN 5998-01-523-4640
NSN 5999-01-057-8752
NSN 6130-01-431-2332
NSN 6110-00-263-6664
NSN 5925-01-390-5119
NSN 5910-01-500-2257
NSN 6135-01-441-7922
NSN 6105-00-384-1693
NSN 5975-01-584-0183