NSN 5305-00-619-4887

Part Details | THUMBSCREW

5305-00-619-4887 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: 7040716G2, 7040716G2, 5305-00-619-4887, 00-619-4887, 5305006194887, 006194887

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-619-488706673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

ROUND

Cross Reference | NSN 5305-00-619-4887
Part Number Cage Code Manufacturer
7040716G224446GENERAL ELECTRIC COMPANY
7040716G203538LOCKHEED MARTIN CORPORATIONDIV RMS
Technical Data | NSN 5305-00-619-4887
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.560 INCHES MINIMUM
FASTENER LENGTH2.440 INCHES NOMINAL
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.880 INCHES NOMINAL
HEAD HEIGHT0.560 INCHES NOMINAL
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.062 INCHES NOMINAL
POINT STYLE2 FLAT
POINT LENGTH0.180 INCHES NOMINAL
SPECIAL FEATURESUNDERCUT UNTHREADED PORTION 0.230 IN. DIA 1.700 IN. LONG