Bearing surface of head grooved to 0.472 in. Min 0.474 in. Max dia, 0.115 in. Min 0.120 in. Max lg from top of head
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 5925-00-495-6519
NSN 7035-01-364-0286
NSN 6240-01-142-8453
NSN 6110-01-499-4920
NSN 6150-00-595-6931
NSN 2925-01-633-4048
NSN 5895-00-233-4170
NSN 5996-01-411-8624
NSN 5945-00-952-5644
NSN 7035-00-488-9765
NSN 5925-01-180-5567
NSN 5965-01-482-4352