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 6620-01-384-9708
NSN 5960-01-193-5224
NSN 5945-01-203-6837
NSN 6610-01-629-4140
NSN 6645-00-891-9052
NSN 6620-01-390-1121
NSN 5945-00-427-1306
NSN 5996-01-654-0459
NSN 5835-00-958-6231
NSN 6610-01-471-0175
NSN 5990-01-135-8269
NSN 6685-00-073-8897