NSN 5305-00-639-7866

Part Details | SOCKET HEAD CAP SCREW

5305-00-639-7866 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: AN148764, AN148764, 5305-00-639-7866, 00-639-7866, 5305006397866, 006397866

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-639-786616282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5305-00-639-7866
Part Number Cage Code Manufacturer
AN14876488044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN1487640AHP5CURTISS-WRIGHT CONTROLS, INCDIV SENSORS & CONTROLS
Technical Data | NSN 5305-00-639-7866
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.782 INCHES MINIMUM AND 0.945 INCHES MAXIMUM
FASTENER LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD HEIGHT0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
HOLE CONFIGURATION STYLE2 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL