A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Dept. of the Air Force 
Dept. of the Navy 
Germany Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5915-01-351-8037
NSN 5996-01-095-8868
NSN 6240-00-500-4404
NSN 6650-01-563-8117
NSN 6610-00-470-8209
NSN 4140-01-394-3268
NSN 5915-01-275-3823
NSN 5945-01-564-6993
NSN 5999-00-467-9305
NSN 5855-01-380-9669
NSN 5965-01-210-7784
NSN 5905-01-302-5216