5306-00-078-3444 BOLT,SHOULDER Index 5306-00-078-3446 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-078-3445

Federal Supply Class:
5306

National Item Identification Number:
000783445

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:
215-70600-480378TRIUMPH AEROSTRUCTURES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.310 INCHES MINIMUM AND
0.370 INCHES MAXIMUM
FASTENER LENGTH1.420 INCHES MINIMUM AND
1.480 INCHES MAXIMUM
MATERIALSTEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM HEAD
CHROMIUM GRIP
CADMIUM THREADS
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD STYLEHEXAGON
HEAD HEIGHT0.120 INCHES NOMINAL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.3116 INCHES MINIMUM AND
0.3118 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH1.110 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.330 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.070 INCHES NOMINAL FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE80378
DESIGN CONTROL REFERENCE215-70600-4


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