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 6220-00-964-1042
NSN 6135-01-321-5659
NSN 5996-00-583-0607
NSN 6685-01-070-8888
NSN 6320-01-123-6814
NSN 7035-01-287-9817
NSN 6220-00-940-0625
NSN 6130-01-364-0339
NSN 6240-00-102-9648
NSN 6110-00-188-9874
NSN 6220-01-429-8534
NSN 5960-01-123-3313