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 6650-00-273-8732
NSN 5895-01-158-5314
NSN 6130-00-269-8273
NSN 5910-01-527-2988
NSN 5920-00-445-3585
NSN 5910-01-449-7863
NSN 6110-01-599-0304
NSN 6105-01-607-4306
NSN 5905-00-186-2227
NSN 5835-01-541-9991
NSN 6645-01-131-9152
NSN 6320-01-232-4664