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 5950-01-268-1874
NSN 5905-01-342-4159
NSN 6150-00-898-0547
NSN 5999-01-537-2645
NSN 5930-01-567-0167
NSN 5910-01-326-9598
NSN 2925-01-274-8576
NSN 6110-01-406-4818
NSN 5895-00-248-7477
NSN 5985-00-690-9663
NSN 5910-00-420-3930
NSN 5920-00-175-5967