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 5965-00-338-4259
NSN 5965-01-276-8818
NSN 6150-00-516-8445
NSN 5905-01-069-4666
NSN 5950-00-807-0714
NSN 5965-00-519-6610
NSN 4140-00-392-7235
NSN 4140-00-419-4481
NSN 5975-01-006-2808
NSN 5935-00-404-1179
NSN 6240-01-585-4516
NSN 5945-01-043-6225