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 5895-00-902-1415
NSN 5996-01-161-4882
NSN 6220-00-852-0367
NSN 6220-00-157-5009
NSN 6320-01-249-0598
NSN 5910-00-851-0691
NSN 5910-01-468-0510
NSN 6150-01-254-6142
NSN 5960-00-932-3067
NSN 6685-01-631-5997
NSN 5925-01-660-0429
NSN 5945-00-674-1062