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 6105-01-078-4244
NSN 6220-01-310-0212
NSN 5855-01-359-8592
NSN 6220-00-841-1275
NSN 4140-01-379-7353
NSN 6620-00-438-4492
NSN 6110-01-287-9607
NSN 6130-01-271-9709
NSN 6110-01-325-6751
NSN 6650-00-618-9398
NSN 5895-01-117-7108
NSN 5930-01-029-6749