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 6650-00-815-1579
NSN 5998-01-007-7231
NSN 5950-01-004-0441
NSN 2925-00-456-7627
NSN 6610-01-013-4764
NSN 5895-00-350-6711
NSN 5910-01-467-1324
NSN 7035-01-623-4739
NSN 5950-01-436-9839
NSN 6685-01-131-1613
NSN 6110-00-250-7913
NSN 6220-00-836-1494