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 6105-01-344-0748
NSN 6645-01-275-8063
NSN 5999-01-480-2343
NSN 6135-01-606-0596
NSN 5965-00-829-6884
NSN 5985-01-502-8774
NSN 6645-00-410-2395
NSN 5915-01-600-1058
NSN 4140-01-106-1652
NSN 5945-01-417-4030
NSN 6320-01-631-7828
NSN 5915-01-361-9136