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 5999-00-836-5380
NSN 5965-01-467-5471
NSN 6105-01-291-1844
NSN 5925-01-412-2934
NSN 5930-01-267-1981
NSN 5920-01-476-4081
NSN 7035-01-158-7673
NSN 5998-00-421-3102
NSN 6110-00-765-2881
NSN 6135-01-587-6485
NSN 6145-00-145-3484
NSN 5950-00-932-3232