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 5965-01-241-9865
NSN 7035-01-045-7202
NSN 5975-00-815-2160
NSN 5990-00-770-6975
NSN 5835-01-186-4961
NSN 6320-01-239-5700
NSN 6650-00-213-7065
NSN 6150-01-644-2997
NSN 5930-01-232-2118
NSN 6610-01-328-3400
NSN 6620-00-973-3685
NSN 5855-01-088-8700