NSN 5306-00-550-0921

Part Details | MACHINE BOLT

5306-00-550-0921 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: 277520, 277520, 5306-00-550-0921, 00-550-0921, 5306005500921, 005500921

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-550-092101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

DOUBLE HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5306-00-550-0921
Part Number Cage Code Manufacturer
27752011449TURBO POWER & MARINE SYSTEM INCSUB OF UNITED TECHNOLOGIES CORP
27752077445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-550-0921
Characteristic Specifications
HEAD STYLE0 HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS1A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.490 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
FASTENER LENGTH1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
HEAD HEIGHT0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 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 DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY4
HOLE DIAMETER0.065 INCHES NOMINAL
GRIP LENGTH0.502 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD