An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
Classification: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 5960-00-185-5041
NSN 6135-01-414-8831
NSN 5905-01-613-2109
NSN 2925-01-281-4212
NSN 6145-01-643-4011
NSN 5990-00-487-7759
NSN 6135-00-027-3914
NSN 2925-01-345-5463
NSN 5999-01-596-7258
NSN 5925-00-321-8040
NSN 5996-00-967-3647
NSN 6240-00-478-3858