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 6220-01-107-4595
NSN 5985-00-079-2748
NSN 5985-00-644-0252
NSN 5975-01-179-0167
NSN 5895-01-318-8136
NSN 5930-01-117-3100
NSN 2925-01-022-8332
NSN 5985-01-211-6549
NSN 6145-01-010-7302
NSN 6610-00-641-3015
NSN 6150-00-253-1813
NSN 5985-01-200-7497