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 6105-01-230-4052
NSN 5930-00-144-4994
NSN 5895-01-575-3606
NSN 6620-01-360-4725
NSN 6105-01-426-5616
NSN 5990-01-140-5497
NSN 7035-00-445-9657
NSN 6110-01-331-8300
NSN 5925-00-903-8025
NSN 5990-01-586-8202
NSN 6105-01-622-7281
NSN 5999-01-060-3736