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 5895-00-524-6782
NSN 5999-01-613-3733
NSN 4140-01-013-2536
NSN 6610-00-905-6780
NSN 6610-01-192-6478
NSN 2925-01-101-4655
NSN 6320-01-343-5846
NSN 4140-01-461-7885
NSN 5935-01-391-0390
NSN 5999-00-035-9288
NSN 6620-00-887-8908
NSN 6650-01-035-1514