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 5950-01-124-2481
NSN 6645-01-308-5729
NSN 6135-01-226-4071
NSN 5895-01-605-3637
NSN 5985-01-146-2962
NSN 6135-01-586-9728
NSN 5945-01-309-8695
NSN 5910-01-129-9814
NSN 5950-01-123-1239
NSN 6150-01-608-5537
NSN 6150-01-467-5617
NSN 5910-01-310-8935