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 5998-00-602-6004
NSN 5990-01-442-3520
NSN 6145-01-382-6025
NSN 6610-00-091-7158
NSN 5920-01-101-7987
NSN 5960-00-927-3215
NSN 6220-01-567-6932
NSN 6620-01-630-6759
NSN 5930-00-118-3992
NSN 6150-01-149-6629
NSN 6150-01-646-3895
NSN 5990-01-231-9608