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 5985-00-491-9484
NSN 5965-01-576-0991
NSN 5945-00-679-5625
NSN 6105-01-430-3685
NSN 6610-01-393-1141
NSN 6150-01-180-6346
NSN 4140-01-107-7382
NSN 5960-01-398-9538
NSN 6650-01-562-0096
NSN 2925-01-294-4125
NSN 5930-00-004-7750
NSN 6145-01-202-0695