NSN 5305-00-208-7421

Part Details | THUMBSCREW

5305-00-208-7421 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: 0R0ACA1183, ACA1183, 5305-00-208-7421, 00-208-7421, 5305002087421, 002087421

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-208-742106673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

DOG

Cross Reference | NSN 5305-00-208-7421
Part Number Cage Code Manufacturer
0R0ACA118376912ORO MANUFACTURING COMPANY
ACA118376912ORO MANUFACTURING COMPANY
Technical Data | NSN 5305-00-208-7421
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.516 INCHES MINIMUM
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD STYLE1 DOUBLE HEXAGON
HEAD HEIGHT0.765 INCHES NOMINAL
WIDTH BETWEEN FLATS0.682 INCHES NOMINAL
POINT STYLE DOG
POINT LENGTH0.109 INCHES NOMINAL
POINT DIAMETER0.225 INCHES NOMINAL