5306-00-208-7651 BOLT,EXTERNALLY RELIEVED BODY Index 5306-00-208-7653 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-208-7652

Federal Supply Class:
5306

National Item Identification Number:
002087652

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:
25885577445RTX CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
NONSTANDARD THREAD PITCH DIAMETER0.2800 TO 0.2824 INCHES
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.460 INCHES MINIMUM AND
0.480 INCHES MAXIMUM
FASTENER LENGTH1.770 INCHES MINIMUM AND
1.790 INCHES MAXIMUM
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONPWA722,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPWA43,FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEXAGON
HEAD HEIGHT0.193 INCHES MINIMUM AND
0.213 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.062 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.309 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.229 INCHES MINIMUM AND
0.233 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.115 INCHES MINIMUM AND
0.135 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.175 INCHES MINIMUM AND
1.195 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE77445
DESIGN CONTROL REFERENCE258855


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