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 5975-01-369-0222
NSN 5905-01-591-8284
NSN 5915-00-130-9099
NSN 5945-01-649-9360
NSN 5945-01-395-1208
NSN 6130-00-453-8346
NSN 5905-01-386-3620
NSN 6220-01-173-3177
NSN 6645-00-634-9317
NSN 5950-01-585-4303
NSN 6645-00-372-2618
NSN 5905-01-126-8785