5306-01-374-1078 BOLT,MACHINE Index 5305-01-374-1080 THUMBSCREW

National Stock Number:
5306-01-374-1079

Federal Supply Class:
5306

National Item Identification Number:
013741079

Description:
BOLT,INTERNAL WRENCHING

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.


Manufacturer Information:
330-4006-01013499ROCKWELL COLLINS, INC.
330-4006-01056878SPS TECHNOLOGIES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES NOMINAL
FASTENER LENGTH0.484 INCHES MINIMUM AND
0.516 INCHES MAXIMUM
MATERIALSTEEL UNS K03104 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.303 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND
0.190 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES THREADS
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.1517 INCHES MINIMUM AND
0.1570 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.234 INCHES MINIMUM AND
0.266 INCHES MAXIMUM


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