Fluorsilicone rubber o-ring, per mil-r-25988 type 1, cl 1, gr 70
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 5990-00-665-4105
NSN 5915-00-297-8831
NSN 6645-01-441-0937
NSN 6685-00-620-9558
NSN 5835-00-949-3018
NSN 6240-00-518-3541
NSN 5985-01-253-8695
NSN 5910-00-253-1740
NSN 5960-01-399-4327
NSN 6240-01-365-1337
NSN 6135-00-175-7132
NSN 5945-01-378-7603