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 5915-01-536-3585
NSN 5930-01-485-2157
NSN 6130-00-711-0528
NSN 5998-00-276-8599
NSN 5998-01-123-9267
NSN 5905-01-246-2329
NSN 6110-01-503-7060
NSN 5930-01-634-0659
NSN 6145-01-413-0766
NSN 5910-00-814-1643
NSN 5905-01-161-0872
NSN 6320-01-054-3046