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 5945-01-416-0828
NSN 6130-01-224-7393
NSN 6220-01-629-5687
NSN 5998-01-610-7665
NSN 5965-00-177-2932
NSN 5915-00-010-8333
NSN 6110-01-359-1751
NSN 6610-00-534-4758
NSN 5895-01-108-9811
NSN 6135-01-089-4888
NSN 6240-01-515-0260
NSN 5925-01-098-9981