NSN 5305-00-623-4042

Part Details | THUMBSCREW

5305-00-623-4042 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: 6186037001, 618-6037-001, 5305-00-623-4042, 00-623-4042, 5305006234042, 006234042

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 01, 197500-623-404206673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-623-4042
Part Number Cage Code Manufacturer
618-6037-00113499ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS
Technical Data | NSN 5305-00-623-4042
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.125 INCHES NOMINAL
FASTENER LENGTH0.469 INCHES NOMINAL
HEAD STYLE8 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.250 INCHES NOMINAL
HEAD HEIGHT0.281 INCHES NOMINAL
POINT STYLE8 FLAT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.081 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.344 INCHES NOMINAL