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 5935-01-058-3214
NSN 5935-01-354-8293
NSN 6320-01-512-2031
NSN 6145-00-771-3361
NSN 6135-01-202-8113
NSN 5965-01-182-5768
NSN 5975-01-506-3898
NSN 5930-00-400-8150
NSN 6685-01-418-6799
NSN 6610-01-483-4347
NSN 6620-01-274-8764
NSN 5920-01-284-1786