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 6145-01-483-1905
NSN 5965-01-420-2629
NSN 6105-00-217-8990
NSN 6130-01-307-7344
NSN 6110-01-153-0114
NSN 5935-01-244-4080
NSN 5930-00-491-5624
NSN 6645-01-120-7135
NSN 5945-01-197-7285
NSN 7035-00-185-8683
NSN 6240-01-188-7282
NSN 5835-01-578-3443