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 5910-01-340-3588
NSN 5945-01-557-4769
NSN 5975-00-189-0093
NSN 5960-01-553-4557
NSN 5960-01-520-4615
NSN 5895-00-999-7317
NSN 6110-01-209-9964
NSN 6150-01-057-2107
NSN 5990-01-081-3845
NSN 6145-01-617-7056
NSN 6650-01-327-3068
NSN 5905-01-348-0492