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 5935-01-332-6733
NSN 5999-01-411-6203
NSN 5835-01-138-8622
NSN 5935-00-561-2437
NSN 6610-01-558-7571
NSN 5910-00-245-3351
NSN 5960-00-804-5405
NSN 5920-00-518-1793
NSN 5895-00-348-0508
NSN 5965-01-505-9989
NSN 6650-00-224-3223
NSN 5960-01-031-1759