Tapped hole in head 0.138-32 unjc-3b threads. Distance from top of head to injection port 0.490 nom. Inch. Injection port 0.120 nom. In. Lg; 0.060 nom in. Wide
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 6685-00-520-1930
NSN 6130-00-621-2202
NSN 4140-01-254-7938
NSN 5910-01-285-0384
NSN 6610-01-531-6980
NSN 5975-00-117-9515
NSN 6220-00-185-9352
NSN 5975-00-636-4910
NSN 5835-01-408-6529
NSN 6110-01-406-6324
NSN 6320-01-255-2096
NSN 5990-01-437-4876