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 5975-01-593-9933
NSN 7035-00-264-7543
NSN 5965-00-630-7872
NSN 4140-01-578-6088
NSN 5905-00-294-9445
NSN 6645-00-974-7120
NSN 5945-00-588-0865
NSN 6105-00-183-9019
NSN 6150-01-562-4970
NSN 5910-01-234-2334
NSN 5855-00-494-9581
NSN 5998-01-180-9723