NSN 5305-00-152-6421

Part Details | SOCKET HEAD CAP SCREW

5305-00-152-6421 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: 2585164281, 2585164-281, 5305-00-152-6421, 00-152-6421, 5305001526421, 001526421

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 18, 197100-152-642116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-152-6421
Part Number Cage Code Manufacturer
2585164-28180064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 5305-00-152-6421
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.619 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH600000 POUNDS PER SQUARE INCH
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1