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 5930-00-737-0661
NSN 5945-01-423-9086
NSN 6150-01-334-6414
NSN 6145-00-617-4032
NSN 6135-01-079-7852
NSN 5950-00-648-4075
NSN 2925-01-577-0004
NSN 5985-00-480-8278
NSN 5996-01-645-1090
NSN 5998-00-654-0288
NSN 5935-00-755-8562
NSN 6610-01-315-7002