5306-00-206-9212 BOLT,MACHINE Index 5970-00-206-9224 INSULATION SLEEVING,ELECTRICAL

National Stock Number:
5306-00-206-9216

Federal Supply Class:
5306

National Item Identification Number:
002069216

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:
LS580-4-1898897LOCKHEED MARTIN CORP


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH0.906 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
HEAD HEIGHT0.125 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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