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 5960-00-321-7824
NSN 5930-00-180-8225
NSN 5996-01-658-0704
NSN 5998-01-464-9128
NSN 5999-01-094-8198
NSN 6650-01-211-5628
NSN 4140-01-037-1162
NSN 5999-01-442-7804
NSN 6650-00-451-1084
NSN 6645-00-960-6594
NSN 5925-01-243-5615
NSN 5895-01-607-3026