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 6610-00-526-4394
NSN 6145-00-331-3526
NSN 6105-00-614-8003
NSN 6320-01-462-3555
NSN 4140-01-488-1169
NSN 6645-01-142-6167
NSN 6110-00-010-4545
NSN 6145-01-129-6897
NSN 6150-00-063-3969
NSN 5985-01-487-7530
NSN 5835-01-005-8564
NSN 6220-01-333-6084