NSN 5306-00-817-1721

Part Details | MACHINE BOLT

5306-00-817-1721 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Alternate Parts: 428763, 428763, 428763, 5306-00-817-1721, 00-817-1721, 5306008171721, 008171721

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-817-172101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5306-00-817-1721
Part Number Cage Code Manufacturer
42876392215ARCONIC GLOBAL FASTENERS & RINGS,INC.
42876356878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
42876377445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-817-1721
Characteristic Specifications
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS1A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.790 INCHES MINIMUM AND 0.870 INCHES MAXIMUM
FASTENER LENGTH1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.366 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY4
HOLE DIAMETER0.062 INCHES NOMINAL
GRIP LENGTH1.140 INCHES MINIMUM AND 1.200 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD