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 6620-01-084-5112
NSN 5965-00-378-3403
NSN 6650-01-351-4544
NSN 6135-01-163-0332
NSN 5895-01-157-4741
NSN 2925-00-862-8550
NSN 5935-01-387-5500
NSN 5835-01-596-9908
NSN 5915-00-863-1384
NSN 7035-00-150-2379
NSN 5960-01-212-4227
NSN 7035-00-403-5340