NSN 5305-01-215-2506

Part Details | THUMBSCREW

5305-01-215-2506 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: 810AS2165, 5305-01-215-2506, 01-215-2506, 5305012152506, 012152506

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 22, 198501-215-250606673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-01-215-2506
Part Number Cage Code Manufacturer
810AS216530003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
Technical Data | NSN 5305-01-215-2506
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.280 INCHES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.310 INCHES NOMINAL
HEAD HEIGHT0.750 INCHES NOMINAL
POINT STYLE6 FLAT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.470 INCHES NOMINAL
SPECIAL FEATURESMEDIUM STRAIGHT KNURL ON HEAD