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 6145-00-099-8986
NSN 5965-01-321-3744
NSN 5835-01-406-4066
NSN 5905-01-151-5112
NSN 6130-00-794-6226
NSN 5960-00-170-6447
NSN 5985-00-561-6297
NSN 6105-01-090-1166
NSN 5965-01-095-9767
NSN 5950-01-391-7522
NSN 5935-01-106-4001
NSN 5930-00-606-4079