NSN 5305-00-721-7157

Part Details | THUMBSCREW

5305-00-721-7157 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: 4070691, 407069-1, 5305-00-721-7157, 00-721-7157, 5305007217157, 007217157

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-721-715706673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

Cross Reference | NSN 5305-00-721-7157
Part Number Cage Code Manufacturer
407069-196214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-00-721-7157
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.310 INCHES MINIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLE7 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.500 INCHES NOMINAL
HEAD HEIGHT0.563 INCHES NOMINAL
POINT LENGTH0.094 INCHES NOMINAL
POINT DIAMETER0.135 INCHES NOMINAL
POINT CHAMFER ANGLE90.0 DEGREES NOMINAL