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 6645-01-563-2812
NSN 5998-01-548-2429
NSN 5965-01-146-1311
NSN 5910-00-900-3022
NSN 6135-00-474-1397
NSN 6650-00-518-6318
NSN 6130-01-123-2694
NSN 5920-01-176-0024
NSN 5935-01-272-4348
NSN 6150-01-389-7670
NSN 5998-00-111-1122
NSN 5920-01-128-3572