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 6110-01-427-0161
NSN 5960-00-371-6963
NSN 5920-01-617-1496
NSN 6130-01-235-4283
NSN 6240-00-167-2467
NSN 5950-01-570-4438
NSN 5996-00-443-1663
NSN 6685-00-463-5097
NSN 5985-01-038-2349
NSN 6145-00-583-9989
NSN 5945-01-010-3230
NSN 5985-00-918-2962