NSN 5305-01-187-1901

Part Details | THUMBSCREW

5305-01-187-1901 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: 1146D073, 1146D07-3, 5305-01-187-1901, 01-187-1901, 5305011871901, 011871901

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 21, 198401-187-190106673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

OVAL

Cross Reference | NSN 5305-01-187-1901
Part Number Cage Code Manufacturer
1146D07-359042CBS BROADCASTING INC.DBA CBS
Technical Data | NSN 5305-01-187-1901
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH10
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
FASTENER LENGTH2.750 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER2.000 INCHES NOMINAL
HEAD HEIGHT1.000 INCHES NOMINAL
POINT STYLE2 OVAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY