One side counterbore 0.06, counterbore dia. 0.75, otherside counterbore 0.09, counterbore dia. 0.82,
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 6645-01-052-4069
NSN 5945-01-581-1563
NSN 5930-00-970-9504
NSN 6145-01-519-3629
NSN 5905-01-469-9062
NSN 6240-01-345-0526
NSN 6240-00-079-1759
NSN 5999-01-104-7152
NSN 6105-01-215-3350
NSN 6130-00-487-9948
NSN 6240-01-197-8491
NSN 5835-01-568-7796