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.
Classification: Zirconium and articles thereof nesoi
NSN 7035-00-300-3208
NSN 6320-01-250-0290
NSN 5895-00-260-1693
NSN 5950-00-022-7474
NSN 5925-01-601-4825
NSN 5996-01-333-9512
NSN 5960-01-426-4242
NSN 5910-01-443-2424
NSN 6110-00-045-6323
NSN 6240-01-563-5904
NSN 5930-01-435-6542
NSN 6145-01-026-0030