Bearing surface of head grooved to 0.394 in. Min, 0.396 in. Max dia, 0.092 in. Min, 0.097 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 5975-01-248-7284
NSN 5996-01-434-6774
NSN 5996-01-515-6895
NSN 5930-01-386-3068
NSN 5895-01-547-3157
NSN 6150-01-329-0916
NSN 6110-00-392-6173
NSN 5990-00-112-0689
NSN 5910-01-027-1415
NSN 5998-01-611-4195
NSN 5930-01-290-3321
NSN 5835-00-892-3510