7025-01-428-9061 DISK DRIVE UNIT Index 5895-01-428-9063 COMMUNICATION SYSTEM CONTROL GRO

National Stock Number:
5306-01-428-9062

Federal Supply Class:
5306

National Item Identification Number:
014289062

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.


Manufacturer Information:
9531M83P0907482GENERAL ELECTRIC COMPANY
VCA003506710VALLEY-TODECO, INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.698 INCHES NOMINAL
FASTENER LENGTH1.675 INCHES MINIMUM AND
1.695 INCHES MAXIMUM
MATERIALNICKEL ALLOY 718 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONC50TF13 MFR REF SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEDEE
HEAD DIAMETER0.450 INCHES MINIMUM AND
0.470 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND
0.080 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT0.277 INCHES MINIMUM AND
0.287 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FIRST DIAMETER FROM HEAD0.271 INCHES MINIMUM AND
0.273 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.215 INCHES MINIMUM AND
0.225 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD0.258 INCHES MINIMUM AND
0.260 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.085 INCHES MINIMUM AND
0.115 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.817 INCHES MINIMUM AND
0.837 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.977 INCHES MINIMUM AND
0.997 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE07482
MFR SOURCE CONTROLLING REFERENCE9531M83P09


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