NSN 5305-00-449-2251

Part Details | SOCKET HEAD CAP SCREW

5305-00-449-2251 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: P237, P237, 5305-00-449-2251, 00-449-2251, 5305004492251, 004492251

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-449-225116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

ROUND

Cross Reference | NSN 5305-00-449-2251
Part Number Cage Code Manufacturer
P23790166EATON AEROSPACE LLCDBA EATON AEROSPACE JACKSON
P23743491GENERAL SIGNAL CORP
Technical Data | NSN 5305-00-449-2251
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.938 INCHES NOMINAL
FASTENER LENGTH1.500 INCHES NOMINAL
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.218 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL