NSN 5305-01-355-0203

Part Details | SOCKET HEAD CAP SCREW

5305-01-355-0203 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Alternate Parts: CA2130042, CA21300-4-2, 5305-01-355-0203, 01-355-0203, 5305013550203, 013550203

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 10, 199201-355-020316282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-355-0203
Part Number Cage Code Manufacturer
CA21300-4-229372ARCONIC GLOBAL FASTENERS & RINGS,INC.
Technical Data | NSN 5305-01-355-0203
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.487 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
FASTENER LENGTH0.777 INCHES NOMINAL
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.1565 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM
SPECIAL FEATURESKEYWAY