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 7035-00-679-9027
NSN 2925-01-133-8128
NSN 6135-01-061-1862
NSN 6105-01-333-5054
NSN 5935-01-512-3371
NSN 5950-01-023-7692
NSN 6320-00-070-4544
NSN 6620-01-473-8262
NSN 6685-00-774-5633
NSN 5999-00-633-7592
NSN 6150-01-008-4109
NSN 5930-01-327-3344