NSN 5305-00-185-2568

Part Details | SOCKET HEAD CAP SCREW

5305-00-185-2568 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: 13490280, B1349028, B1349-028, 5305-00-185-2568, 00-185-2568, 5305001852568, 001852568

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 12, 197100-185-256816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

HEXAGON

Cross Reference | NSN 5305-00-185-2568
Part Number Cage Code Manufacturer
1349028005842DYNEX/RIVETT INC.
B1349-02805842DYNEX/RIVETT INC.
Technical Data | NSN 5305-00-185-2568
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.889 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.469 INCHES NOMINAL
HEAD HEIGHT0.312 INCHES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL