1560-00-626-1248 SHANK ASSY Index 5950-00-626-1270 TRANSFORMER,AUDIO FREQUENCY

National Stock Number:
5306-00-626-1259

Federal Supply Class:
5306

National Item Identification Number:
006261259

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:
117FM10058-126512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.154 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.593 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH1.562 INCHES NOMINAL
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER0.255 INCHES MINIMUM AND 0.262 INCHES MAXIMUM FIRST HOLE
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH1.437 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24


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