NSN 5305-01-183-3318

Part Details | SOCKET HEAD CAP SCREW

5305-01-183-3318 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: ST6Z5063H4, ST6Z5-063H4, ST6Z5063H4, ST6Z5-063H4, 5305-01-183-3318, 01-183-3318, 5305011833318, 011833318

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 04, 198401-183-331816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5305-01-183-3318
Part Number Cage Code Manufacturer
ST6Z5-063H480070LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
ST6Z5-063H404614TEXTRON SYSTEMS CORPORATIONDBA TEXTRON DEFENSE SYSTEMS
Technical Data | NSN 5305-01-183-3318
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.235 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
FASTENER LENGTH0.235 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY3
HOLE DIAMETER0.034 INCHES MINIMUM AND 0.042 INCHES MAXIMUM