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 5920-01-096-1864
NSN 6645-00-300-0401
NSN 6150-01-567-3200
NSN 5925-01-615-1181
NSN 5925-01-450-6701
NSN 5998-01-441-7671
NSN 5925-01-395-1971
NSN 5999-00-881-3549
NSN 6110-01-350-8906
NSN 5855-01-645-5253
NSN 5965-00-971-5522
NSN 2925-01-297-2315