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 6135-01-551-0562
NSN 6650-00-647-1085
NSN 5855-00-149-0766
NSN 2925-01-574-4413
NSN 6130-00-246-8691
NSN 5930-00-671-5837
NSN 6620-01-106-2814
NSN 6645-01-116-3423
NSN 5920-01-289-0301
NSN 5930-01-156-4249
NSN 2925-01-311-7840
NSN 6130-01-154-7594