Furnished with fluorsilicone rubber o-ring per mil-r-25988, type 1, cl 1
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 5910-01-364-9163
NSN 6135-00-583-3966
NSN 5835-00-830-6416
NSN 5930-01-515-1709
NSN 6610-01-530-6730
NSN 5998-01-206-0728
NSN 6110-00-416-6840
NSN 5975-01-067-2507
NSN 5895-01-042-5978
NSN 6145-01-424-2359
NSN 5915-00-273-1693
NSN 6150-01-427-3764