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 5965-00-139-4870
NSN 5950-01-409-9232
NSN 5895-01-429-1029
NSN 6320-01-512-2031
NSN 5925-01-594-1873
NSN 4140-01-524-0036
NSN 5996-00-786-7968
NSN 5915-00-288-0071
NSN 5905-00-840-8486
NSN 5999-01-484-4984
NSN 5960-01-278-9394
NSN 6150-00-111-0881