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 5990-00-518-3195
NSN 6650-01-426-2729
NSN 6220-01-254-0091
NSN 5990-01-365-6016
NSN 5935-01-145-0440
NSN 5915-01-007-2616
NSN 6145-01-058-4227
NSN 5895-00-444-9568
NSN 5965-01-627-0848
NSN 5920-00-775-2274
NSN 5895-01-169-5302
NSN 6110-01-145-4458