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 5999-01-429-0149
NSN 6685-00-557-0760
NSN 5960-00-169-2610
NSN 5965-01-562-4667
NSN 6240-01-253-0687
NSN 6220-00-790-9574
NSN 5920-01-588-9914
NSN 6685-00-102-4395
NSN 6130-01-391-6087
NSN 5950-01-137-4033
NSN 5985-00-998-6289
NSN 5935-01-063-6450