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 5835-00-946-2656
NSN 6105-01-329-1024
NSN 5996-01-343-2962
NSN 6105-01-340-8864
NSN 5925-00-842-7299
NSN 5915-01-439-2249
NSN 6240-01-123-0968
NSN 5925-00-156-4044
NSN 6145-00-264-8940
NSN 5905-01-007-2119
NSN 4140-00-920-3343
NSN 6320-01-243-2276