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 5905-00-245-8016
NSN 5905-01-268-0498
NSN 5999-00-598-3578
NSN 5920-00-997-5983
NSN 5975-01-003-8937
NSN 5855-00-149-0766
NSN 2925-01-251-9529
NSN 6150-00-202-9150
NSN 6685-01-397-5659
NSN 5998-01-349-0601
NSN 6135-00-010-5275
NSN 6240-01-057-0964