Lubricated with mineral oil and graphite
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 5935-01-318-4729
NSN 5985-01-176-9313
NSN 6650-01-328-5135
NSN 5855-01-173-0808
NSN 5905-01-283-0152
NSN 5996-00-866-1356
NSN 6105-01-020-9013
NSN 6130-00-621-2202
NSN 2925-01-416-6927
NSN 5945-01-218-0809
NSN 6135-01-225-9827
NSN 5930-01-168-8184