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 6240-01-409-2465
NSN 5895-01-096-6906
NSN 6130-00-116-2780
NSN 6135-00-194-9354
NSN 5960-00-740-7285
NSN 5965-01-147-5289
NSN 6105-00-194-9945
NSN 6135-01-246-0308
NSN 5996-00-652-1789
NSN 5835-01-399-5820
NSN 6610-01-110-3802
NSN 5920-00-284-5785