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 2925-01-062-2660
NSN 5895-01-496-0390
NSN 6685-01-063-3264
NSN 5925-01-534-1278
NSN 5950-01-271-6498
NSN 6220-01-106-2761
NSN 6135-01-121-3225
NSN 6645-00-153-3834
NSN 6130-01-158-4135
NSN 5998-00-001-2781
NSN 5960-01-048-8228
NSN 5950-01-524-0568