5306-00-078-3458 BOLT,INTERNALLY RELIEVED BODY Index 5306-00-078-3460 BOLT,INTERNAL WRENCHING

National Stock Number:
5306-00-078-3459

Federal Supply Class:
5306

National Item Identification Number:
000783459

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.


Manufacturer Information:
215-78404-280378TRIUMPH AEROSTRUCTURES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.210 INCHES MINIMUM
FASTENER LENGTH1.410 INCHES NOMINAL
MATERIALSTEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 AISI 4340 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLEROUND W/WRENCH FLATS
HEAD DIAMETER0.625 INCHES NOMINAL
HEAD HEIGHT0.120 INCHES NOMINAL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.3683 INCHES MINIMUM AND
0.3743 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH1.120 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.300 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE80378
DESIGN CONTROL REFERENCE215-78404-2


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