5315-00-052-6968 PIN,STRAIGHT,HEADLESS Index 5305-00-052-6973 SCREW,MACHINE

National Stock Number:
5306-00-052-6971

Federal Supply Class:
5306

National Item Identification Number:
000526971

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:
MS20074-05-2696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.781 INCHES MINIMUM AND
2.828 INCHES MAXIMUM
MATERIALSTEEL COMP 4140 OR
STEEL COMP 8740 OR
STEEL COMP 8630 OR
STEEL COMP 8735 OR
STEEL COMP 4130 OR
STEEL COMP 4037 OVERALL
THREAD LENGTH0.515 INCHES MINIMUM AND
0.594 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.266 INCHES MINIMUM AND
0.297 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND
0.501 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL
GRIP LENGTH2.234 INCHES MINIMUM AND
2.266 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS20074-05-26


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