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 5996-00-805-9340
NSN 6610-01-525-8235
NSN 5999-01-351-9925
NSN 6650-00-754-2276
NSN 6130-01-235-4228
NSN 6620-01-488-9547
NSN 5930-00-840-5804
NSN 6620-01-557-6512
NSN 6685-00-707-4842
NSN 5920-00-199-9514
NSN 6220-01-347-2508
NSN 6135-01-173-6306