NSN 5305-00-178-8554

Part Details | SOCKET HEAD CAP SCREW

5305-00-178-8554 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: CE11832, 5305-00-178-8554, 00-178-8554, 5305001788554, 001788554

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 18, 197300-178-855416282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-178-8554
Part Number Cage Code Manufacturer
CE1183298230NATIONAL SECURITY AGENCY
Technical Data | NSN 5305-00-178-8554
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.240 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
FASTENER LENGTH0.302 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
HEAD STYLE9 CROWNED 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