NSN 5306-00-208-1246

Part Details | INTERNAL WRENCHING BOLT

5306-00-208-1246 An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.

Alternate Parts: 7260863, 726086-3, 5306-00-208-1246, 00-208-1246, 5306002081246, 002081246

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-208-124606666 ( BOLT, INTERNAL WRENCHING )
REFERENCE DRAWINGS & PICTURES

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5306-00-208-1246
Part Number Cage Code Manufacturer
726086-398897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5306-00-208-1246
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.680 INCHES MINIMUM AND 0.720 INCHES MAXIMUM
FASTENER LENGTH2.030 INCHES MINIMUM AND 2.050 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD DIAMETER0.813 INCHES NOMINAL
HEAD HEIGHT0.460 INCHES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.503 INCHES NOMINAL
HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.078 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.425 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM