5306-00-207-4135 BOLT,MACHINE Index 5306-00-207-4144 BOLT,MACHINE

National Stock Number:
5306-00-207-4143

Federal Supply Class:
5306

National Item Identification Number:
002074143

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:
CV15-564506-180378TRIUMPH AEROSTRUCTURES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.875 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.643 INCHES MAXIMUM
FASTENER LENGTH3.437 INCHES MINIMUM AND
3.484 INCHES MAXIMUM
MATERIALSTEEL COMP E4340 OR
STEEL COMP 4340 OR
STEEL COMP 8740 OR
STEEL COMP 8735 OR
STEEL COMP 6150 OR
STEEL COMP 4140 OR
STEEL COMP 4037 OVERALL
SURFACE TREATMENTCADMIUM HEAD
CADMIUM THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCVA5-2,FSCM 80378 MFR REF 1ST TREATMENT RESPONSE HEAD
CVA5-2,FSCM 80378 MFR REF 2ND TREATMENT RESPONSE THREADS
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DIAMETER0.375 INCHES NOMINAL
HEAD STYLEHEXAGON
HEAD HEIGHT0.220 INCHES NOMINAL
WIDTH BETWEEN FLATS1.240 INCHES MINIMUM AND
1.253 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER3.234 INCHES MINIMUM AND
3.266 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES NOMINAL FIRST HOLE
TEST DATA DOCUMENT81349-MIL-I-6870 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THE MANUFACTURERS DATA
MANUFACTURERS CODE80378
DESIGN CONTROL REFERENCECV15-564506-1


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