NSN 5306-00-138-9540

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-138-9540 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: 232391Y13, 5306-00-138-9540, 00-138-9540, 5306001389540, 001389540

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 09, 197100-138-954006675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

Cross Reference | NSN 5306-00-138-9540
Part Number Cage Code Manufacturer
232391Y130AHP5CURTISS-WRIGHT CONTROLS, INCDIV SENSORS & CONTROLS
Technical Data | NSN 5306-00-138-9540
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
FASTENER LENGTH1.560 INCHES NOMINAL
HEAD STYLE4 UNDERCUT HEXAGON
HEAD DIAMETER1.000 INCHES NOMINAL
HEAD HEIGHT0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.560 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.4547 INCHES MINIMUM AND 0.4550 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.710 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONAAWC