NSN 5305-01-380-5201

Part Details | THUMBSCREW

5305-01-380-5201 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: CL31BSS, CL-31-BSS, PWA5576936, PWA55769-36, 5305-01-380-5201, 01-380-5201, 5305013805201, 013805201

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 21, 199301-380-520106673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-01-380-5201
Part Number Cage Code Manufacturer
CL-31-BSS99862CARR LANE MANUFACTURING COMPANYDBA CARR LANE MANUFACTURING
PWA55769-3677445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5305-01-380-5201
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH2.781 INCHES NOMINAL
FASTENER LENGTH2.969 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER1.125 INCHES NOMINAL
HEAD HEIGHT0.375 INCHES NOMINAL
POINT STYLE0 FLAT
SPECIAL FEATURESPOINT W/LEFT HAND THR 0.216-28UNF