Part Number: HP973213-1

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CONDITION:
NS
TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC84685
TACTAIR FLUID CONTROLS, INC.70236
TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC84685
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.290 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
FASTENER LENGTH0.868 INCHES NOMINAL
HEAD STYLEHEXAGON
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE
NOMINAL THREAD DIAMETER0.250 INCHES
GRIP LENGTH0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH28
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.772 INCHES NOMINAL FIRST HOLE
MATERIALSTEEL COMP 431 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD SERIES DESIGNATORUNF
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.