NSN 5305-00-905-3085

Part Details | THUMBSCREW

5305-00-905-3085 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: MS2131760, MS21317-60, 5305-00-905-3085, 00-905-3085, 5305009053085, 009053085

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-905-308506673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

FLAT

Cross Reference | NSN 5305-00-905-3085
Part Number Cage Code Manufacturer
MS21317-6096906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-905-3085
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH3.000 INCHES MINIMUM
FASTENER LENGTH3.000 INCHES NOMINAL
HEAD STYLE0 DOUBLE HEXAGON
HEAD HEIGHT0.605 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.844 INCHES MINIMUM AND 0.963 INCHES MAXIMUM
POINT STYLE9 FLAT