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 5965-01-466-1154
NSN 6650-00-153-3155
NSN 6320-00-925-0558
NSN 6150-00-912-9503
NSN 6110-01-330-8053
NSN 5855-01-088-8700
NSN 5920-01-500-1434
NSN 5920-00-885-0367
NSN 4140-00-012-3506
NSN 6685-00-658-7295
NSN 5998-00-126-4496
NSN 5915-01-356-6502