5998-00-067-7773 ELECTRONIC COMPONENTS ASSEMBLY Index 5310-00-067-7775 NUT,SELF-LOCKING,DOUBLE HEXAGON

National Stock Number:
5306-00-067-7774

Federal Supply Class:
5306

National Item Identification Number:
000677774

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:
123ABM10106-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
123ABM10106-379RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER7.803 INCHES MINIMUM AND 7.934 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH7.984 INCHES MINIMUM AND 8.015 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH7.625 INCHES NOMINAL
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
MINIMUM TENSILE STRENGTH200000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
SHANK UNTHREADED HOLE DIAMETER0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.359 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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