Ends chamferred 25 to 35 degrees angle
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 6320-00-149-7570
NSN 6610-01-349-6333
NSN 5960-01-458-7999
NSN 5975-01-359-8503
NSN 5985-01-352-4159
NSN 5985-01-607-4509
NSN 5905-00-417-4359
NSN 6610-01-157-0426
NSN 5999-01-462-9407
NSN 5996-00-068-5604
NSN 6130-00-410-3149
NSN 6320-01-447-4289