3040-00-522-2477 BRACKET,EYE,NONROTATING SHAFT Index 6680-00-522-2483 SENSOR,TACHOMETER,DUAL

National Stock Number:
5306-00-522-2478

Federal Supply Class:
5306

National Item Identification Number:
005222478

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:
200820371-0198752WARNER ROBINS AIR LOGISTICS CENTER
522247819204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.781 INCHES NOMINAL FIRST HOLE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.234 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.078 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.875 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.266 INCHES NOMINAL
HEAD HEIGHT0.234 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SECOND DIAMETER FROM HEAD0.296 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.562 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL


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