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.
NSN 5910-01-606-4490
NSN 5935-01-054-0346
NSN 6145-01-169-8950
NSN 6135-00-262-6807
NSN 5935-00-604-3244
NSN 5998-01-532-4196
NSN 6135-01-655-1759
NSN 6130-01-418-9800
NSN 5905-00-761-3376
NSN 5935-01-028-8918
NSN 5920-01-634-0250
NSN 5960-01-476-5686