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 5905-01-068-7892
NSN 6610-01-288-6103
NSN 5950-01-286-0609
NSN 5930-00-064-2993
NSN 5960-01-342-9965
NSN 5960-01-553-4557
NSN 6150-01-433-2107
NSN 6320-01-454-1949
NSN 5895-01-044-5425
NSN 6650-01-579-5608
NSN 5925-01-542-4124
NSN 5835-01-058-9550