NSN 5305-01-197-1521

Part Details | THUMBSCREW

5305-01-197-1521 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: 75D1110612003, 75D111061-2003, 5305-01-197-1521, 01-197-1521, 5305011971521, 011971521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 18, 198401-197-152106673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

ROUND

Cross Reference | NSN 5305-01-197-1521
Part Number Cage Code Manufacturer
75D111061-200376301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5305-01-197-1521
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.880 INCHES NOMINAL
FASTENER LENGTH7.380 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD HEIGHT1.000 INCHES NOMINAL
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
POINT STYLE9 FLAT