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 5998-00-274-6328
NSN 5925-00-947-8312
NSN 5998-00-546-0916
NSN 5895-00-089-2282
NSN 6240-01-382-3756
NSN 6135-01-499-3516
NSN 6145-01-305-0879
NSN 5998-00-168-5429
NSN 6150-01-535-9584
NSN 5990-01-113-0303
NSN 6105-01-519-1922
NSN 6220-01-322-7443