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 2925-00-265-7539
NSN 5998-00-810-0186
NSN 5945-01-429-0148
NSN 2925-00-105-3907
NSN 6650-00-955-2802
NSN 5905-01-123-0736
NSN 6645-00-173-2800
NSN 5950-00-372-5591
NSN 5925-01-218-6427
NSN 5975-01-631-0543
NSN 7035-00-797-2635
NSN 6240-01-197-3888