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 5910-00-177-4472
NSN 6135-01-389-8289
NSN 5925-01-169-4284
NSN 6645-00-359-5463
NSN 5960-00-921-5805
NSN 6650-00-147-8765
NSN 6105-01-123-3525
NSN 5835-01-132-5894
NSN 5930-01-555-6121
NSN 6145-01-359-4691
NSN 5905-01-152-1226
NSN 5945-01-579-3212