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 6150-01-607-0663
NSN 6145-01-458-7981
NSN 5965-01-265-6814
NSN 7035-01-323-0164
NSN 5925-00-633-6236
NSN 5945-01-147-1632
NSN 5950-01-173-7342
NSN 6150-01-521-3585
NSN 5996-00-917-4785
NSN 6110-01-492-2692
NSN 5945-01-314-3098
NSN 2925-01-441-8958