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 5935-01-127-8586
NSN 6110-01-624-3328
NSN 5855-00-361-0167
NSN 6105-01-085-5617
NSN 7035-00-088-7355
NSN 6110-01-255-6523
NSN 6240-01-084-0501
NSN 5998-01-063-6619
NSN 5965-01-470-0393
NSN 6685-00-810-8380
NSN 5915-00-858-6068
NSN 5960-01-367-0981