5307-99-781-1464 STUD,PLAIN Index 1025-99-781-1579 CAP,SPECIAL

National Stock Number:
5306-99-781-1468

Federal Supply Class:
5306

National Item Identification Number:
997811468

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:
B490385K0378ROLLS-ROYCE PLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.370 INCHES MINIMUM AND 1.430 INCHES MAXIMUM
FASTENER LENGTH2.180 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD HEIGHT0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM
HOLE DIAMETER0.063 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONDTD 5066 MIL STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
POINT LENGTH0.260 INCHES NOMINAL
POINT STYLECONE
POINT CHAMFER ANGLE60.0 DEGREES NOMINAL
POINT DIAMETER0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
NOMINAL THREAD DIAMETER0.312 INCHES
SECOND DIAMETER FROM HEAD0.243 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
SPECIAL FEATURESCONFIGURATION A
WIDTH BETWEEN FLATS0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONROLLS ROYCE LTD RPS170 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.520 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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