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 6130-01-136-9903
NSN 5935-00-259-0823
NSN 5910-00-842-8929
NSN 6135-00-062-5080
NSN 5910-01-011-1151
NSN 6240-01-301-5412
NSN 5930-01-485-2415
NSN 5990-00-110-1153
NSN 5895-01-623-5404
NSN 6620-00-785-6019
NSN 5950-01-200-6673
NSN 5990-01-293-4817