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 5930-00-138-7051
NSN 5996-01-281-7336
NSN 5960-01-032-4229
NSN 6610-00-170-6715
NSN 6150-01-512-1014
NSN 5895-01-118-7652
NSN 6220-01-079-6244
NSN 6130-01-447-4459
NSN 6130-00-350-3099
NSN 5996-01-503-4233
NSN 5910-00-188-7579
NSN 6620-00-881-3908