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 6240-00-925-2194
NSN 5920-01-248-9835
NSN 2925-00-167-6762
NSN 5950-01-254-9674
NSN 5835-00-224-9148
NSN 5930-01-633-0300
NSN 5950-01-140-2444
NSN 5990-00-756-6059
NSN 5975-01-502-7084
NSN 5985-00-240-3980
NSN 5930-01-341-8507
NSN 6685-01-295-9415