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 6645-01-348-8146
NSN 5895-00-420-7042
NSN 6320-00-110-8005
NSN 5930-01-585-2468
NSN 2925-01-446-6976
NSN 6650-01-062-0828
NSN 5920-01-357-7165
NSN 6240-01-044-5049
NSN 5835-00-503-2608
NSN 5855-01-406-7237
NSN 5996-01-534-2607
NSN 5950-00-060-2204