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 6110-01-600-1819
NSN 5905-00-055-9322
NSN 5915-00-932-4626
NSN 5835-01-647-6426
NSN 5910-01-024-4141
NSN 5935-00-203-3710
NSN 5996-01-014-5852
NSN 5895-01-269-0223
NSN 6650-01-372-8931
NSN 5950-01-135-0152
NSN 6105-00-844-1267
NSN 6105-00-275-0826