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 7035-01-594-3094
NSN 5905-00-947-9717
NSN 5996-00-636-4849
NSN 5985-00-451-7829
NSN 5999-00-417-8187
NSN 5915-00-823-6496
NSN 5915-01-328-8964
NSN 6320-01-171-3238
NSN 5835-01-426-6573
NSN 6620-01-346-9340
NSN 6150-01-014-3025
NSN 6685-00-218-1229