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 6110-00-056-5378
NSN 6240-01-425-1545
NSN 5965-01-437-9721
NSN 5990-00-998-6193
NSN 6240-00-016-7794
NSN 5999-00-274-6294
NSN 5945-01-230-5008
NSN 5960-00-177-2953
NSN 5925-01-357-7180
NSN 5895-00-933-9923
NSN 5935-01-607-0536
NSN 6320-01-384-3850