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 5905-01-572-5534
NSN 6620-01-278-8028
NSN 5835-01-371-6482
NSN 6320-01-125-3361
NSN 5905-00-724-4481
NSN 6150-00-596-8766
NSN 6610-00-217-2194
NSN 6130-01-308-1968
NSN 5855-01-154-3871
NSN 6610-01-253-1449
NSN 6145-00-583-9989
NSN 5950-01-280-5469