Product Details | MACHINE BOLT

5306-00-660-3268 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.

Part Alternates: 5306-00-660-3268, 00-660-3268, 5306006603268, 006603268

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-660-3268

Drawings & Photos | NSN 5306-00-660-3268


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Technical Data | NSN 5306-00-660-3268

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.679 INCHES MINIMUM
FASTENER LENGTH 0.781 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
HOLE CONFIGURATION STYLE E5 HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY 6
HOLE DIAMETER 0.062 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
MANUFACTURERS CODE 06848
DESIGN CONTROL REFERENCE 137679

Restrictions/Controls & Freight Information | NSN 5306-00-660-3268

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information