6680-00-208-7701 INDICATOR,SIGHT,LIQUID Index 5306-00-208-7707 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-208-7705

Federal Supply Class:
5306

National Item Identification Number:
002087705

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:
1393930AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
CONCENTRIC HOLE DEPTH0.870 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.328 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.200 INCHES NOMINAL FIRST HOLE
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.350 INCHES NOMINAL
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.070 INCHES NOMINAL
HOLE QUANTITY6
HOLE TYPEDRILLED
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NOMINAL THREAD DIAMETER0.500 INCHES
SPECIAL FEATURES4 DRILLED HOLES IN SHANK EQUALLY SPACED TO EACH OTHER WITHIN 0.020
SHANK UNTHREADED HOLE DIAMETER0.125 INCHES NOMINAL FIRST HOLE
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.320 INCHES MINIMUM
THREAD SERIES DESIGNATORUNJEF
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM


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