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 5960-00-023-5613
NSN 6110-01-525-7358
NSN 4140-01-260-8106
NSN 6320-01-072-2073
NSN 6620-00-963-1319
NSN 4140-01-183-5451
NSN 6240-00-898-6601
NSN 6105-00-210-0355
NSN 6645-01-321-7665
NSN 5990-01-235-8404
NSN 6620-01-598-2271
NSN 6620-01-093-1383