NSN 5305-00-179-9543

Part Details | SOCKET HEAD CAP SCREW

5305-00-179-9543 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: 179812829, 1798128-29, 5305-00-179-9543, 00-179-9543, 5305001799543, 001799543

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 05, 197200-179-954316282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-179-9543
Part Number Cage Code Manufacturer
1798128-2910001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-179-9543
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.837 INCHES MINIMUM AND 0.969 INCHES MAXIMUM
FASTENER LENGTH0.937 INCHES MINIMUM AND 0.969 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM