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 6135-00-913-2062
NSN 6130-01-371-2960
NSN 5905-00-137-1490
NSN 5910-01-247-4022
NSN 2925-00-923-5375
NSN 5998-01-381-5790
NSN 5920-00-103-7642
NSN 5999-00-730-4389
NSN 6220-00-134-1583
NSN 5998-01-310-4941
NSN 6110-01-300-5712
NSN 6240-00-080-2012