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 5965-01-541-0879
NSN 5960-00-204-7506
NSN 6650-00-670-2516
NSN 5895-01-444-3777
NSN 6135-01-418-4156
NSN 6320-01-302-5157
NSN 5960-00-681-0301
NSN 6150-01-023-4429
NSN 5930-00-902-0493
NSN 6650-01-157-8806
NSN 6130-00-815-3516
NSN 6110-00-007-2585