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 6145-01-506-9814
NSN 5835-01-548-5864
NSN 6320-01-330-2138
NSN 5835-01-346-9575
NSN 7035-00-476-7178
NSN 6320-00-379-4695
NSN 5835-00-494-3710
NSN 5950-01-197-6377
NSN 6645-01-558-6229
NSN 5975-00-996-7289
NSN 5915-01-081-0861
NSN 5910-00-900-3515