NSN 5305-00-580-4771

Part Details | THUMBSCREW

5305-00-580-4771 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: 21427671, 2142767-1, 21427671, 2142767-1, 5305-00-580-4771, 00-580-4771, 5305005804771, 005804771

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 19, 197400-580-477106673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

OVAL

Cross Reference | NSN 5305-00-580-4771
Part Number Cage Code Manufacturer
2142767-119315HONEYWELL INTL INC DEFENSE AVIONICSSYSTEMS FORMER BENDIX NAVIGATION AND
2142767-155974HONEYWELL INTL INCDEFENSE AVIONICS SYSTEMS
Technical Data | NSN 5305-00-580-4771
Characteristic Specifications
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.786 INCHES NOMINAL
FASTENER LENGTH2.160 INCHES NOMINAL
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER1.250 INCHES NOMINAL
HEAD HEIGHT0.440 INCHES NOMINAL
POINT STYLE OVAL
POINT LENGTH0.312 INCHES NOMINAL