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 5905-01-298-7876
NSN 5990-00-407-4473
NSN 5999-00-390-8582
NSN 5998-00-801-7925
NSN 5910-01-227-1939
NSN 5905-01-162-0010
NSN 6685-01-401-5360
NSN 6105-01-591-6694
NSN 5999-01-378-7016
NSN 7035-01-344-8708
NSN 6320-01-397-9995
NSN 6135-01-167-7604