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 5950-00-970-9081
NSN 5905-01-514-2886
NSN 5895-01-124-2884
NSN 6220-01-106-9867
NSN 5835-01-549-2911
NSN 5835-01-238-3381
NSN 5915-00-686-9149
NSN 5965-01-467-5471
NSN 6240-01-439-4727
NSN 5960-00-597-2680
NSN 2925-00-243-6841
NSN 5975-01-388-9789