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 6135-01-604-8739
NSN 5895-00-959-2284
NSN 6145-01-574-8312
NSN 5895-00-244-0943
NSN 5960-01-350-2925
NSN 6135-01-589-0333
NSN 5895-00-813-6249
NSN 5925-01-297-1933
NSN 6150-00-613-3076
NSN 4140-00-105-8391
NSN 6145-01-350-6943
NSN 5999-01-536-1121