5905-01-018-0827 RESISTOR,VARIABLE,WIRE WOUND,NON Index 5306-01-018-0829 BOLT,MACHINE

National Stock Number:
5306-01-018-0828

Federal Supply Class:
5306

National Item Identification Number:
010180828

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:
AN7C2081352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
AN7C20D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.906 INCHES MINIMUM AND 1.938 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH2.078 INCHES MINIMUM AND 2.107 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH1.422 INCHES MINIMUM AND 1.454 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.438 INCHES
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.624 INCHES MINIMUM AND 0.685 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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