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 6105-01-181-3369
NSN 5975-00-176-4651
NSN 6130-00-009-2285
NSN 6220-01-291-7478
NSN 5960-00-487-5056
NSN 2925-01-018-6725
NSN 5998-00-295-3694
NSN 5855-01-366-2429
NSN 5910-01-350-8099
NSN 5975-00-226-8429
NSN 6320-01-532-7491
NSN 5895-00-999-6296