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 7035-01-283-2536
NSN 6620-00-834-9430
NSN 5998-01-587-6802
NSN 6135-00-932-3136
NSN 5925-01-492-4782
NSN 6645-01-170-7368
NSN 6150-00-278-1294
NSN 5915-00-702-3030
NSN 6110-01-109-8767
NSN 4140-01-085-7810
NSN 5920-01-144-6563
NSN 5990-01-646-8048