MIL-M-6867C, MILITARY SPECIFICATION: MAGNETIC INSPECTION UNITS (27-JAN-1969) [NO S/S DOCUMENT]

MIL-M-6867C, MILITARY SPECIFICATION: MAGNETIC INSPECTION UNITS (27-JAN-1969) [NO S/S DOCUMENT]., This specification covers stationary, mobile, and portable equipment suitable for use in the magnetic-particle inspection of items and parts made of magnetic materials.