NSN 5305-01-202-3409

Part Details | SOCKET HEAD CAP SCREW

5305-01-202-3409 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: 5978068, 5978068, 5978068, 5305-01-202-3409, 01-202-3409, 5305012023409, 012023409

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 01, 198501-202-340916282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-202-3409
Part Number Cage Code Manufacturer
597806818601BUCKLEY/QC FASTENERS INC
597806804348LAWRENCE ENGINEERING AND SUPPLY INC
597806853711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5305-01-202-3409
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.4000 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1