NSN 5305-00-778-3331

Part Details | THUMBSCREW

5305-00-778-3331 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: 7043243P1, 7043243P1, 7043243P1, 5305-00-778-3331, 00-778-3331, 5305007783331, 007783331

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-778-333106673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-778-3331
Part Number Cage Code Manufacturer
7043243P110543CANADIAN GENERAL ELECTRIC CO LTD
7043243P124446GENERAL ELECTRIC COMPANY
7043243P103538LOCKHEED MARTIN CORPORATIONDIV RMS
Technical Data | NSN 5305-00-778-3331
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.338 INCHES MINIMUM
FASTENER LENGTH1.400 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
HEAD HEIGHT0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
POINT STYLE9 FLAT