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 6130-00-959-5800
NSN 6130-01-322-2069
NSN 5945-01-487-7428
NSN 5998-01-157-5438
NSN 6650-01-552-9344
NSN 6645-01-107-2615
NSN 5999-01-549-3108
NSN 5855-01-233-2767
NSN 5998-00-615-1086
NSN 5915-01-377-0847
NSN 5895-01-006-1696
NSN 5930-00-707-1313