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 5915-01-464-3415
NSN 6105-01-358-8851
NSN 6650-00-960-5040
NSN 5915-01-504-4280
NSN 5835-00-930-8500
NSN 5895-01-641-9289
NSN 6135-00-927-5848
NSN 6645-01-428-3576
NSN 6240-00-853-3576
NSN 5855-01-188-4049
NSN 6130-01-149-4239
NSN 6620-01-564-3041