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 5945-00-913-5412
NSN 6645-00-113-4441
NSN 5998-01-040-6137
NSN 5915-01-353-2859
NSN 5935-00-862-9877
NSN 5835-01-130-8258
NSN 5920-01-313-2293
NSN 6145-01-229-7288
NSN 5985-01-592-6228
NSN 6685-01-084-0905
NSN 6150-01-339-1907
NSN 5945-01-487-8536