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 5935-01-298-7501
NSN 5855-00-117-0857
NSN 6135-01-426-8282
NSN 5950-00-015-3689
NSN 5895-00-469-3142
NSN 5960-01-068-4003
NSN 6685-01-135-6921
NSN 6105-01-491-8072
NSN 5985-00-540-7712
NSN 6220-00-541-8515
NSN 5999-01-255-9036
NSN 6620-01-325-6295