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 5855-01-141-8227
NSN 5910-01-005-2612
NSN 5925-01-062-4831
NSN 6130-01-188-0330
NSN 6110-01-659-9104
NSN 2925-01-355-5280
NSN 6240-01-272-9019
NSN 5855-01-234-5346
NSN 6105-01-602-8187
NSN 5975-01-573-7606
NSN 2925-01-197-7864
NSN 5915-00-398-0677