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 5905-01-386-9612
NSN 5925-00-155-8463
NSN 6220-01-259-2430
NSN 5945-00-969-3899
NSN 5930-00-110-0960
NSN 2925-00-860-3652
NSN 6220-00-712-1779
NSN 5945-01-017-3007
NSN 5925-01-634-0664
NSN 6130-01-507-6109
NSN 5895-01-469-7491
NSN 5835-00-725-2087