5306-01-315-3784 BOLT,EXTERNALLY RELIEVED BODY Index 5306-01-315-3786 BOLT,SHOULDER

National Stock Number:
5306-01-315-3785

Federal Supply Class:
5306

National Item Identification Number:
013153785

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:
5306PL14991559009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
ST1352-1052661RTX CORPORATION
ST1352-1077445RTX CORPORATION
ST1352-1092215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.025 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURES63 MICRONICHES ON BEARING SURFACE OF HEAD AND GRIP
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.641 INCHES MINIMUM AND 0.735 INCHES MAXIMUM
THREAD QUANTITY PER INCH28


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