5330-01-107-6370 FELT,MECHANICAL,PREFORMED Index 2520-01-107-6372 HUB

National Stock Number:
5306-01-107-6371

Federal Supply Class:
5306

National Item Identification Number:
011076371

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:
367875078JACOBS MFG CO THE


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.071 INCHES MINIMUM AND 1.101 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER1.600 INCHES MINIMUM AND 1.630 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.930 INCHES MINIMUM AND 0.960 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER1.953 INCHES MINIMUM AND 1.963 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.060 INCHES MINIMUM AND 0.063 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY5
FASTENER LENGTH2.180 INCHES MINIMUM AND 2.200 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.410 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD0.490 INCHES MINIMUM AND 0.491 INCHES MAXIMUM
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
SECOND DIAMETER FROM HEAD0.490 INCHES MINIMUM AND 0.491 INCHES MAXIMUM
SPECIAL FEATURESHOLE DRILLED IN CENTER OF SCREW TIP 0.098-0.105 IN. DIA BY 1.093-1.110 IN. DEEP
THIRD DIAMETER FROM HEAD0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.540 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH20
WIDTH BETWEEN FLATS0.432 INCHES MINIMUM AND 0.437 INCHES MAXIMUM


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