2540-00-550-3739 HOOK,PINTLE Index 5305-00-550-3756 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-550-3744

Federal Supply Class:
5306

National Item Identification Number:
005503744

Description:
BOLT,MACHINE

Detail:
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 0.190 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 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
AN4C4D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
AN4CH488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN4CH4
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.531 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD LENGTH0.469 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-770 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.140 INCHES MINIMUM AND
0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND
0.440 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.046 INCHES NOMINAL
GRIP LENGTH0.062 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.374 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA


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