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 6110-01-446-6060
NSN 6650-01-399-4731
NSN 4140-01-201-4359
NSN 6135-01-196-7399
NSN 6105-01-062-2122
NSN 5975-00-204-9190
NSN 5945-01-538-9283
NSN 6105-01-069-2909
NSN 4140-01-432-4027
NSN 5990-00-221-0878
NSN 5950-01-272-2679
NSN 5935-00-911-8567