NSN 5305-00-054-4973

Part Details | SOCKET HEAD CAP SCREW

5305-00-054-4973 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: 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 51B2343, 51B234-3, 5305-00-054-4973, 00-054-4973, 5305000544973, 000544973

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 01, 196700-054-497316282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-054-4973
Part Number Cage Code Manufacturer
51B234-306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
51B234-392215ARCONIC GLOBAL FASTENERS & RINGS,INC.
51B234-373197HI-SHEAR CORPORATION
51B234-317446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
51B234-3L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
51B234-376823NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
51B234-30JRC1NORTHROP GRUMMAN TECHNICAL SERVICES,INC.
51B234-380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
51B234-306725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
51B234-327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-00-054-4973
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.316 INCHES MINIMUM
FASTENER LENGTH0.503 INCHES NOMINAL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.499 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)