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 6620-01-187-7267
NSN 6145-01-046-2873
NSN 5950-01-099-6974
NSN 6240-01-485-0008
NSN 6130-00-477-3711
NSN 5985-00-769-6968
NSN 7035-01-525-5873
NSN 5855-01-085-5354
NSN 5965-01-512-0654
NSN 7035-00-437-7950
NSN 5915-00-024-7635
NSN 6145-01-392-4683