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 5990-01-416-0362
NSN 6220-01-022-1780
NSN 5996-00-212-5917
NSN 5930-01-138-6679
NSN 7035-00-205-8739
NSN 5910-01-575-8598
NSN 5895-01-055-4235
NSN 6650-01-263-0645
NSN 5915-01-192-1303
NSN 5835-01-552-3153
NSN 6685-00-970-3897
NSN 6620-01-039-5468