NSN 5305-00-313-3020

Part Details | THUMBSCREW

5305-00-313-3020 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: BA19917, 239115, 239-115, 5305-00-313-3020, 00-313-3020, 5305003133020, 003133020

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-313-302006673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-313-3020
Part Number Cage Code Manufacturer
BA1991770408AT AND T CORP
239-11502184OBRIEN GEAR CO
Technical Data | NSN 5305-00-313-3020
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM
FASTENER LENGTH1.188 INCHES NOMINAL
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER1.000 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
POINT STYLE FLAT
POINT LENGTH0.094 INCHES NOMINAL
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL