NSN 5306-00-248-3143

Part Details | INTERNAL WRENCHING BOLT

5306-00-248-3143 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: NAS145DH51, 5306-00-248-3143, 00-248-3143, 5306002483143, 002483143

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 28, 196900-248-314306666 ( BOLT, INTERNAL WRENCHING )
REFERENCE DRAWINGS & PICTURES

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5306-00-248-3143
Part Number Cage Code Manufacturer
NAS145DH5180205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5306-00-248-3143
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
FASTENER LENGTH3.173 INCHES MINIMUM AND 3.203 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD DIAMETER0.523 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD HEIGHT0.276 INCHES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL
SPECIFICATION/STANDARD DATA80205-NAS145 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD