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 5930-01-467-2064
NSN 6320-01-365-2701
NSN 6320-01-382-9676
NSN 6620-01-614-3591
NSN 5999-00-457-0574
NSN 5985-01-222-8462
NSN 6645-01-528-8424
NSN 6220-01-485-2381
NSN 6130-00-233-6197
NSN 5910-00-327-4458
NSN 5855-01-483-1350
NSN 6110-00-009-0292