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 5915-01-126-2856
NSN 6135-01-573-7164
NSN 5965-01-136-7970
NSN 5990-00-838-1082
NSN 5855-00-237-4088
NSN 2925-01-466-0892
NSN 6145-00-088-3766
NSN 4140-00-480-8190
NSN 5935-01-564-2189
NSN 6320-00-539-9283
NSN 6645-01-529-5690
NSN 6240-01-160-7430