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 2925-01-577-9269
NSN 6610-01-424-6375
NSN 5910-00-161-4058
NSN 5920-01-256-5830
NSN 6650-01-363-9608
NSN 5855-01-553-8437
NSN 5990-00-318-2592
NSN 5925-01-121-8074
NSN 5950-01-409-1956
NSN 6105-01-606-8337
NSN 5945-01-295-3583
NSN 7035-01-391-7470