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 6320-00-110-8005
NSN 5965-00-106-3195
NSN 4140-00-163-6200
NSN 5935-00-546-3847
NSN 5960-01-575-7818
NSN 5998-00-509-2847
NSN 6105-01-435-2163
NSN 5935-01-439-8611
NSN 6650-00-909-8380
NSN 6130-01-267-8545
NSN 5999-01-464-4473
NSN 5905-01-469-5478