NSN 5306-00-078-3438

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-078-3438 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.

Alternate Parts: 32944867, 32-94486-7, 5306-00-078-3438, 00-078-3438, 5306000783438, 000783438

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 11, 196700-078-343806675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-078-3438
Part Number Cage Code Manufacturer
32-94486-776301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5306-00-078-3438
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.054 INCHES MINIMUM
FASTENER LENGTH1.150 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.180 INCHES NOMINAL
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.096 INCHES MINIMUM AND 0.111 INCHES MAXIMUM