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 7035-00-760-5479
NSN 6320-01-206-7926
NSN 5910-01-351-5679
NSN 5999-01-205-2040
NSN 5950-01-365-7399
NSN 5925-01-287-1492
NSN 5925-01-407-3083
NSN 6110-01-500-0768
NSN 6650-01-062-0828
NSN 7035-01-080-3392
NSN 5935-00-472-3761
NSN 5999-01-542-5150