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 2925-01-633-4048
NSN 5895-00-725-2702
NSN 5895-01-035-8498
NSN 6240-01-411-5425
NSN 6645-01-411-5657
NSN 2925-01-356-6017
NSN 5996-00-389-7404
NSN 6220-01-116-1983
NSN 5915-01-152-9368
NSN 5930-00-534-6944
NSN 5975-01-467-1190
NSN 2925-01-582-9903