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 5905-01-237-3852
NSN 5945-01-123-9006
NSN 6650-01-281-4651
NSN 5920-01-378-7548
NSN 6650-01-127-2371
NSN 6320-00-681-1324
NSN 6135-01-394-4160
NSN 5930-01-445-4824
NSN 5930-01-344-8411
NSN 6150-00-753-2014
NSN 5935-01-255-4350
NSN 6650-01-584-9022