NSN 5305-00-721-5660

Part Details | THUMBSCREW

5305-00-721-5660 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: 9172537, 5305-00-721-5660, 00-721-5660, 5305007215660, 007215660

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 27, 196800-721-566006673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

Cross Reference | NSN 5305-00-721-5660
Part Number Cage Code Manufacturer
917253718876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5305-00-721-5660
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.281 INCHES MINIMUM
FASTENER LENGTH3.812 INCHES NOMINAL
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER1.500 INCHES NOMINAL
HEAD HEIGHT0.688 INCHES NOMINAL
POINT LENGTH1.875 INCHES NOMINAL
POINT DIAMETER0.125 INCHES NOMINAL