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 6220-01-443-2464
NSN 6135-01-278-9717
NSN 5920-01-213-6537
NSN 6110-00-081-0927
NSN 5975-01-345-9198
NSN 6135-01-176-2206
NSN 6240-01-239-8268
NSN 6610-00-276-8919
NSN 5920-00-175-7987
NSN 5925-00-024-0864
NSN 5998-01-512-1243
NSN 6240-00-880-5998