5306-01-256-5177 BOLT,U Index 5305-01-256-5179 SETSCREW

National Stock Number:
5306-01-256-5178

Federal Supply Class:
5306

National Item Identification Number:
012565178

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:
106817-12-12456878SPS TECHNOLOGIES, LLC
106817-12-12480539SPS TECHNOLOGIES, LLC
MSA6105-12-1240UCY9M.S. AEROSPACE INC.
50-047-12-12497499BELL TEXTRON INC


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONFEAT
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER8.970 INCHES MINIMUM AND 8.990 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH9.001 INCHES MINIMUM AND 9.021 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH7.703 INCHES MINIMUM AND 7.797 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD STYLEDISHED HEXAGON
LOCKING FEATUREDETENT RING GRIP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4340 OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.204 INCHES MINIMUM AND 1.318 INCHES MAXIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM


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