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 5999-01-483-9599
NSN 7035-01-391-7470
NSN 6110-00-636-1234
NSN 5965-01-275-2212
NSN 6110-01-423-7889
NSN 5930-01-660-8593
NSN 5999-00-932-1316
NSN 6110-01-199-0172
NSN 5975-01-094-3287
NSN 6645-01-283-3181
NSN 4140-01-190-2464
NSN 5895-01-486-1922