NSN 5305-01-439-4220

Part Details | THUMBSCREW

5305-01-439-4220 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: D0078.1001, A31328322, A3132832-2, 5305-01-439-4220, 01-439-4220, 5305014394220, 014394220

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 07, 199601-439-422006673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5305-01-439-4220
Part Number Cage Code Manufacturer
D0078.1001A0069LEONARDO S.P.A. A SECURITY &INFORION SYSTEM DIVISION
A3132832-280063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5305-01-439-4220
Characteristic Specifications
THREAD SERIES DESIGNATOR M
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.25
EXTERNAL THREAD TOLERANCE CLASS6G
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH22.0 MILLIMETERS NOMINAL
FASTENER LENGTH41.0 MILLIMETERS NOMINAL
HEAD STYLE0 DOUBLE HEXAGON
HEAD HEIGHT22.0 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS34.0 MILLIMETERS NOMINAL
SPECIAL FEATURESTWO UNTHREADED HOLES IN HEAD 3.0MM DIA,24.0MM DISTANCE CENTER TO CENTER;UNTHREADED PORTION ON SHANK IN MIDDLE OF THREADED AREA 27.0MM LG AND 6.42MM DIA