5306-01-318-3284 BOLT,EXTERNALLY RELIEVED BODY Index 5306-01-318-3286 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-318-3285

Federal Supply Class:
5306

National Item Identification Number:
013183285

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:
SM-C-96924480063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.420 INCHES NOMINAL
FASTENER LENGTH1.310 INCHES NOMINAL
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONADTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEDOUBLE CHAMFER
HEAD DIAMETER0.380 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
POINT STYLECONE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FIRST DIAMETER FROM HEAD0.150 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.226 INCHES NOMINAL
THIRD DIAMETER FROM HEAD0.125 INCHES MINIMUM AND
0.130 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.530 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.620 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.700 INCHES NOMINAL
SPECIAL FEATURESSTRAIGHT KNURL 128 DP MED.


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