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 5855-01-003-0848
NSN 6105-01-361-5417
NSN 6650-01-620-2026
NSN 5965-01-010-1258
NSN 5910-01-452-2504
NSN 5975-01-378-6483
NSN 6145-01-067-8419
NSN 5920-00-542-6389
NSN 5925-01-654-6988
NSN 6130-00-587-7062
NSN 5930-00-377-4916
NSN 5975-00-186-8884