2.090 in. Flange dia; 1.781 in. First shoulder dia; 1.761 in.-48ns-2a thread; 1.726 in. Shoulder end dia; 0.125 in. Flange thk; 0.140 in. First shoulder lg; 0.187 in. Thread lg; 0.063 in. Wide undercut between thread and first shoulder; 1.572 in.-48ns-2b bore thread; 0.390 in. Bore thread lg; counterbore 1.581 in. By 0.060 in. Deep on shoulder end; one slot 0.063 in. W. By 0.050 in. Deep on face of shoulder end; 0.030 to 0.034 in. Bore eccentricity from geometric axis; 250 microinch finish except 125 microinch finish on first shoulder and inside face of flange; all edges chamfered 0.010 in. Max. By 45 deg
A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Classification: Military equipments not identified by kind
NSN 5855-01-633-4848
NSN 6150-00-200-7644
NSN 5990-01-356-4259
NSN 5905-01-427-3804
NSN 6110-01-160-5257
NSN 6620-00-699-5537
NSN 5975-01-417-1752
NSN 6685-01-360-4548
NSN 6650-00-999-3566
NSN 6130-01-421-2705
NSN 5910-00-962-3354
NSN 6145-00-170-5274