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 7035-00-511-0076
NSN 6105-01-238-4972
NSN 6145-01-586-4679
NSN 6135-01-415-1163
NSN 5905-01-461-2407
NSN 6645-01-281-7254
NSN 6320-01-203-4303
NSN 5996-01-588-7784
NSN 6135-01-142-6456
NSN 5965-01-390-9240
NSN 6220-01-470-9717
NSN 6105-01-056-5258