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 6105-01-579-3695
NSN 6105-01-628-2084
NSN 5950-01-436-6142
NSN 5910-01-113-6636
NSN 5996-00-089-4670
NSN 6105-00-081-9090
NSN 6105-01-258-5567
NSN 5950-00-690-9013
NSN 5920-01-391-4884
NSN 6320-01-006-6138
NSN 6620-00-233-6839
NSN 6150-00-018-8646