5306-01-372-6439 BOLT,SHOULDER Index 5305-01-372-6441 SETSCREW

National Stock Number:
5306-01-372-6440

Federal Supply Class:
5306

National Item Identification Number:
013726440

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:
S6110-3100278286SIKORSKY AIRCRAFT CORPORATION
S6110-31002-00278286SIKORSKY AIRCRAFT CORPORATION
S6110-31002-278286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.1065 INCHES NOMINAL THREADS
FASTENER LENGTH3.615 INCHES MINIMUM AND 3.625 INCHES MAXIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.260 INCHES NOMINAL
HEAD STYLESQUARE
HOLE CONFIGURATION STYLESQUARE LONGITUDINAL HOLE
HOLE DIAMETER0.198 INCHES MAXIMUM
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER0.1065 INCHES NOMINAL THREADS
SHOULDER DIAMETER0.6863 INCHES MINIMUM AND 0.6868 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH3.615 INCHES MINIMUM AND 3.625 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIAL FEATURESITEM HAS 2 SHANK HOLES,UNDERCUT .093 INCH BETWEEN FIRST SHOULDER AND THREADS
WIDTH BETWEEN FLATS0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II,OR TYPE III FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.672 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH20


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