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 5835-01-545-6467
NSN 6610-01-644-2546
NSN 4140-01-318-3087
NSN 6320-01-547-2743
NSN 5930-01-531-1955
NSN 6620-00-079-0311
NSN 6220-01-429-8534
NSN 7035-00-902-8995
NSN 6320-01-292-6635
NSN 5895-01-592-8650
NSN 5895-00-698-1650
NSN 4140-01-290-5230