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 6320-00-977-3930
NSN 5935-01-555-8560
NSN 6610-01-473-1843
NSN 6645-01-352-5675
NSN 5925-01-242-9945
NSN 5935-01-230-3464
NSN 5895-01-492-6233
NSN 6610-00-456-0485
NSN 6135-00-932-3136
NSN 5895-01-093-3354
NSN 6650-01-207-2905
NSN 5925-00-485-9175