Conical surface of head 32 microinches
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: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6620-01-104-2699
NSN 6685-01-106-7390
NSN 6135-01-420-5907
NSN 6220-01-255-0258
NSN 6645-01-225-0453
NSN 5985-01-600-1234
NSN 6685-01-640-8858
NSN 5945-00-226-8560
NSN 6610-01-383-4458
NSN 5930-01-523-6590
NSN 6110-01-580-3256
NSN 6150-01-429-0213