Used on b-1b
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 5965-01-015-5885
NSN 5930-00-227-6540
NSN 5920-01-191-9847
NSN 5855-00-327-2112
NSN 6650-01-316-4374
NSN 4140-01-596-5411
NSN 6135-00-548-2765
NSN 5945-01-452-1067
NSN 4140-01-486-6094
NSN 6130-01-177-7375
NSN 6645-00-401-5563
NSN 5910-01-124-3651