NSN 5305-00-638-6103

Part Details | THUMBSCREW

5305-00-638-6103 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: 603244, 60-3244, 5305-00-638-6103, 00-638-6103, 5305006386103, 006386103

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-610306673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

OVAL

Cross Reference | NSN 5305-00-638-6103
Part Number Cage Code Manufacturer
60-324481205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5305-00-638-6103
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
FASTENER LENGTH1.750 INCHES NOMINAL
HEAD STYLE3 DOUBLE HEXAGON
HEAD HEIGHT1.500 INCHES NOMINAL
WIDTH BETWEEN FLATS2.200 INCHES NOMINAL
POINT STYLE2 OVAL