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 5960-00-261-6512
NSN 2925-01-424-0235
NSN 6610-00-778-9039
NSN 6610-01-254-4196
NSN 6105-01-549-6966
NSN 5950-00-438-3390
NSN 5920-01-367-5791
NSN 5999-01-178-8976
NSN 5945-01-180-3974
NSN 6130-00-153-1338
NSN 6145-00-155-5297
NSN 5950-01-458-7919