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 6685-00-717-4058
NSN 5996-00-222-6049
NSN 6105-00-605-3099
NSN 7035-01-485-5114
NSN 7035-01-606-1797
NSN 5999-01-112-1015
NSN 6110-01-565-1293
NSN 4140-00-836-6319
NSN 5930-00-233-1981
NSN 6320-01-445-8192
NSN 5990-01-024-9659
NSN 5855-01-359-5727