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 5998-00-482-6717
NSN 6620-01-129-7247
NSN 6135-01-252-0315
NSN 5990-00-825-7335
NSN 6220-01-076-5057
NSN 4140-00-839-3093
NSN 5996-01-012-4188
NSN 7035-01-425-8063
NSN 6105-01-234-8021
NSN 6110-01-273-3136
NSN 5925-00-265-6248
NSN 6145-01-392-0910