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 7035-01-024-9511
NSN 6110-00-049-5063
NSN 6610-00-263-3076
NSN 6320-01-173-7950
NSN 6145-01-614-6065
NSN 5855-00-160-2286
NSN 5945-01-480-6201
NSN 6220-00-521-8995
NSN 5990-00-466-2952
NSN 5975-01-399-1160
NSN 6145-01-395-2136
NSN 5895-01-210-0492