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 6650-01-036-9083
NSN 5915-01-201-5575
NSN 5945-00-824-8846
NSN 6105-01-604-8621
NSN 5915-01-146-3629
NSN 6220-01-109-6676
NSN 5905-01-173-1058
NSN 6150-01-461-3256
NSN 5855-01-505-0061
NSN 6320-01-209-0952
NSN 6620-00-678-3386
NSN 6610-01-532-8734