NSN 5305-00-535-8437

Part Details | THUMBSCREW

5305-00-535-8437 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: 8512799, 5305-00-535-8437, 00-535-8437, 5305005358437, 005358437

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-535-843706673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-535-8437
Part Number Cage Code Manufacturer
851279918876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5305-00-535-8437
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
FASTENER LENGTH2.063 INCHES NOMINAL
HEAD STYLE7 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.687 INCHES NOMINAL
HEAD HEIGHT1.000 INCHES NOMINAL
POINT STYLE6 FLAT
FIRST DIAMETER FROM HEAD0.312 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.140 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.188 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.375 INCHES NOMINAL
SPECIAL FEATURESSLOTTED PROTRUSION ON TOP OF HEAD 0.312 IN. DIA BY 0.125 IN. HIGH