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 6685-00-815-3342
NSN 5975-01-075-8506
NSN 6685-00-125-4472
NSN 6105-00-361-6355
NSN 6320-01-275-3972
NSN 5999-00-450-2312
NSN 6150-00-800-3652
NSN 5950-01-615-3290
NSN 6650-00-331-2232
NSN 5965-00-879-7287
NSN 6130-00-008-5144
NSN 6610-00-631-5687