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 6220-00-269-4556
NSN 6645-01-106-4303
NSN 6130-01-144-6449
NSN 5996-01-422-7365
NSN 5915-00-707-2297
NSN 5915-01-298-4075
NSN 5998-01-462-0025
NSN 6110-01-043-5647
NSN 5985-01-573-7999
NSN 5905-01-517-9579
NSN 5950-00-857-7131
NSN 7035-00-727-4068