5306-00-132-1818 BOLT,MACHINE Index 5305-00-132-1820 SETSCREW

National Stock Number:
5306-00-132-1819

Federal Supply Class:
5306

National Item Identification Number:
001321819

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
4G13802-103A98897LOCKHEED MARTIN CORP


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.545 INCHES MINIMUM AND 2.605 INCHES MAXIMUM ALL HOLES
CONCENTRIC HOLE DIAMETER0.312 INCHES NOMINAL
COUNTERBORE DEPTH2.190 INCHES NOMINAL
COUNTERBORE DIAMETER0.440 INCHES NOMINAL
DISTANCE FROM CENTERLINE TO FLAT0.470 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
FASTENER LENGTH2.735 INCHES MINIMUM AND 2.855 INCHES MAXIMUM
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER1.380 INCHES NOMINAL
HEAD HEIGHT0.220 INCHES NOMINAL
HEAD STYLEDEE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM ALL HOLES
STYLE DESIGNATORCOUNTERBORE UNTHREADED
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNF


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