NSN 5305-00-263-3563

Part Details | THUMBSCREW

5305-00-263-3563 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: 287346PC7, 5305-00-263-3563, 00-263-3563, 5305002633563, 002633563

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-263-356306673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON EXTENDED WASHER

Cross Reference | NSN 5305-00-263-3563
Part Number Cage Code Manufacturer
287346PC780064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 5305-00-263-3563
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD LENGTH0.625 INCHES MINIMUM
FASTENER LENGTH0.781 INCHES NOMINAL
HEAD STYLE7 HEXAGON EXTENDED WASHER
HEAD HEIGHT1.500 INCHES NOMINAL
WIDTH BETWEEN FLATS0.625 INCHES NOMINAL