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 5950-00-376-9739
NSN 6685-01-649-8166
NSN 5990-01-035-6869
NSN 6105-01-100-1007
NSN 6220-00-374-9292
NSN 5945-00-505-7679
NSN 5945-01-230-8262
NSN 7035-01-378-5074
NSN 5895-00-415-6636
NSN 6110-01-187-5807
NSN 6685-00-816-8838
NSN 5910-01-612-2335