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 6105-00-660-8882
NSN 6620-00-273-8735
NSN 5998-01-519-9273
NSN 2925-00-008-5485
NSN 5945-01-188-6231
NSN 6110-00-553-8816
NSN 6620-01-413-4170
NSN 5895-01-263-9179
NSN 5915-01-456-0574
NSN 5996-01-588-7784
NSN 6110-00-707-9869
NSN 6240-01-145-4916