NSN 5305-00-649-6981

Part Details | THUMBSCREW

5305-00-649-6981 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: 27931249, 2793-1249, 27931249, 2793-1249, 9077559, 5305-00-649-6981, 00-649-6981, 5305006496981, 006496981

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-649-698106673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

OVAL

Cross Reference | NSN 5305-00-649-6981
Part Number Cage Code Manufacturer
2793-124949956RAYTHEON COMPANYDBA RAYTHEON
2793-12493B150RAYTHEON COMPANYDBA RAYTHEON
907755918876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5305-00-649-6981
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
FASTENER LENGTH1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM
HEAD HEIGHT0.562 INCHES NOMINAL
WIDTH BETWEEN FLATS0.937 INCHES NOMINAL
POINT STYLE2 OVAL