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 6320-00-098-2858
NSN 5915-01-542-1456
NSN 5910-01-256-8089
NSN 5975-00-967-9877
NSN 6650-00-115-9240
NSN 6105-00-910-1739
NSN 2925-00-936-9344
NSN 6610-01-418-0678
NSN 6645-00-620-9294
NSN 5935-00-499-9070
NSN 5975-00-773-6208
NSN 7035-01-501-7259