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 5835-01-286-6499
NSN 5945-01-649-7977
NSN 6320-00-511-7331
NSN 5965-00-106-3195
NSN 5935-01-456-7601
NSN 5855-00-411-8688
NSN 5855-01-606-3745
NSN 5960-01-130-6413
NSN 5999-01-509-4927
NSN 6685-00-863-1876
NSN 5910-00-824-1419
NSN 5910-01-227-9977