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 5930-01-504-5752
NSN 5915-01-448-7719
NSN 5960-00-602-9906
NSN 5999-01-186-1937
NSN 5960-01-388-4951
NSN 6135-01-456-2924
NSN 6110-01-223-8016
NSN 6110-01-113-4287
NSN 5905-01-300-3970
NSN 5990-01-218-5160
NSN 5950-01-576-5022
NSN 6110-01-033-1153