NSN 5305-00-563-4006

Part Details | THUMBSCREW

5305-00-563-4006 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: 8007823, 5305-00-563-4006, 00-563-4006, 5305005634006, 005634006

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-563-400606673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-563-4006
Part Number Cage Code Manufacturer
800782318876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5305-00-563-4006
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.623 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
FASTENER LENGTH17.922 INCHES MINIMUM AND 17.954 INCHES MAXIMUM
HEAD STYLE7 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM
HEAD HEIGHT0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
POINT STYLE6 FLAT