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 6650-00-248-4895
NSN 6105-01-048-8615
NSN 6685-00-850-4149
NSN 6220-00-928-9356
NSN 6650-01-462-8963
NSN 6150-01-142-8356
NSN 5915-00-189-4020
NSN 5920-00-321-8455
NSN 5950-01-099-8410
NSN 5990-01-309-5840
NSN 6145-01-301-7908
NSN 5998-00-102-4793