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 5985-01-054-5526
NSN 6610-01-519-8953
NSN 6220-01-365-7384
NSN 5895-01-619-6068
NSN 4140-00-423-6663
NSN 6220-01-144-2532
NSN 6105-01-395-8532
NSN 5915-01-613-1294
NSN 6105-00-153-7967
NSN 5935-01-157-0559
NSN 6240-01-407-8408
NSN 5925-00-523-9158