NSN 5305-01-038-4240

Part Details | THUMBSCREW

5305-01-038-4240 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: SMC8503941, SM-C-850394-1, 5305-01-038-4240, 01-038-4240, 5305010384240, 010384240

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 07, 197701-038-424006673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

Cross Reference | NSN 5305-01-038-4240
Part Number Cage Code Manufacturer
SM-C-850394-180063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5305-01-038-4240
Characteristic Specifications
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD DIAMETER0.216 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.140 INCHES NOMINAL
FASTENER LENGTH0.390 INCHES NOMINAL
HEAD STYLE9 DOUBLE HEXAGON EXTENDED WASHER
HEAD DIAMETER0.620 INCHES NOMINAL
HANDLE LENGTH1.440 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
HANDLE DIAMETER0.188 INCHES NOMINAL
HEAD HEIGHT0.300 INCHES NOMINAL
SPECIAL FEATURESCONSISTS OF SM-C-850394-5 AND SM-C-850394-7