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 6610-00-967-0428
NSN 6130-01-426-8841
NSN 5950-00-671-8677
NSN 5855-00-586-6255
NSN 6645-01-068-3042
NSN 5950-00-502-5160
NSN 5950-00-370-0091
NSN 5895-01-201-0984
NSN 6610-00-111-3648
NSN 5960-00-008-6503
NSN 5950-01-143-7950
NSN 5855-00-058-1293