NSN 5305-00-820-7744

Part Details | THUMBSCREW

5305-00-820-7744 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Alternate Parts: 8207744, 5305-00-820-7744, 00-820-7744, 5305008207744, 008207744

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-820-774406673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON EXTENDED WASHER

FLAT

Cross Reference | NSN 5305-00-820-7744
Part Number Cage Code Manufacturer
820774419200US ARMY ARDEC RDECOM
Technical Data | NSN 5305-00-820-7744
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.582 INCHES MINIMUM
FASTENER LENGTH1.062 INCHES NOMINAL
HEAD STYLE7 HEXAGON EXTENDED WASHER
HEAD HEIGHT0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS1.500 INCHES NOMINAL
POINT STYLE FLAT
POINT LENGTH0.094 INCHES NOMINAL
POINT DIAMETER0.094 INCHES NOMINAL
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL