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 6220-00-769-7858
NSN 6650-01-613-8467
NSN 6650-00-398-1821
NSN 5965-01-089-8579
NSN 5905-01-178-5084
NSN 6110-00-165-3848
NSN 6150-01-196-6329
NSN 5985-01-616-5123
NSN 6130-01-268-2119
NSN 6685-00-430-0708
NSN 5965-00-160-7173
NSN 5999-01-328-8692