4720-99-767-3763 HOSE ASSEMBLY,NONMETALLIC Index 5306-99-767-3809 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-99-767-3808

Federal Supply Class:
5306

National Item Identification Number:
997673808

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:
BLT5011K0378ROLLS-ROYCE PLC
BLT5011K0680ROLLS-ROYCE AIRLINES
BLT5011 ZZK0378ROLLS-ROYCE PLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.120 INCHES MINIMUM OR 0.150 INCHES MINIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON
HOLE DIAMETER0.063 INCHES NOMINAL
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONDTD 5066 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SECOND DIAMETER FROM HEAD0.243 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
SPECIAL FEATURESHOLE CONFIGURATION D
WIDTH BETWEEN FLATS0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
STRENGTH GRADE DESIGNATIONERR-030
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDTD 939 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.688 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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