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 7035-01-592-4412
NSN 5950-00-186-9315
NSN 5915-00-985-4389
NSN 5930-00-277-4704
NSN 7035-01-368-0841
NSN 6320-01-376-2778
NSN 5905-00-555-1899
NSN 6610-00-544-8348
NSN 5910-01-068-2965
NSN 5945-00-692-2183
NSN 6145-00-117-4806
NSN 5915-01-309-1598