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 5920-00-754-5252
NSN 6105-01-302-9705
NSN 6645-01-631-1866
NSN 5835-00-168-9623
NSN 5835-01-286-6499
NSN 5920-01-123-9854
NSN 6620-01-160-3475
NSN 5975-01-599-8949
NSN 6110-01-032-5075
NSN 5985-01-359-7745
NSN 6320-01-253-9585
NSN 5905-01-599-6208