NSN 5305-00-078-9658

Part Details | THUMBSCREW

5305-00-078-9658 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: 7578422001, 757-8422-001, 5305-00-078-9658, 00-078-9658, 5305000789658, 000789658

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 14, 196700-078-965806673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-078-9658
Part Number Cage Code Manufacturer
757-8422-00113499ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS
Technical Data | NSN 5305-00-078-9658
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.407 INCHES MINIMUM
FASTENER LENGTH1.344 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.281 INCHES NOMINAL
HEAD HEIGHT0.625 INCHES NOMINAL
POINT STYLE9 FLAT
SPECIAL FEATURESUNDERCUT UNTHREADED PORTION 0.085 IN. DIA 0.312 IN. LONG
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT