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 6145-01-547-6651
NSN 5930-01-599-6161
NSN 6240-01-439-9544
NSN 2925-01-322-9780
NSN 5835-01-354-0566
NSN 5945-00-430-0687
NSN 5998-00-110-3553
NSN 6610-01-562-9967
NSN 5915-01-352-3626
NSN 5925-01-420-2890
NSN 6240-01-130-6647
NSN 5935-00-385-3635