TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC | 84685 |
TACTAIR FLUID CONTROLS, INC. | 70236 |
TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC | 84685 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.290 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
FASTENER LENGTH | 0.868 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
GRIP LENGTH | 0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
THREAD QUANTITY PER INCH | 28 |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.772 INCHES NOMINAL FIRST HOLE |
MATERIAL | STEEL COMP 431 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD SERIES DESIGNATOR | UNF |
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of .19 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of . 15 inch ( . 38 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE. |