NSN 5305-01-183-9984

Part Details | SOCKET HEAD CAP SCREW

5305-01-183-9984 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: 3017031, 5305-01-183-9984, 01-183-9984, 5305011839984, 011839984

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 12, 198401-183-998416282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-183-9984
Part Number Cage Code Manufacturer
301703110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-01-183-9984
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.418 INCHES MINIMUM AND 0.458 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM