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 5895-01-300-0070
NSN 4140-00-790-4691
NSN 5950-01-457-1421
NSN 5960-01-287-4187
NSN 6685-01-429-8922
NSN 6135-01-380-4396
NSN 6685-00-155-8158
NSN 6150-01-276-3413
NSN 6240-01-092-6678
NSN 6610-01-036-8225
NSN 5990-01-336-3976
NSN 5975-01-597-9380