NSN 5305-01-259-7747

Part Details | SOCKET HEAD CAP SCREW

5305-01-259-7747 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: 1120579168, 112-0579-168, 5305-01-259-7747, 01-259-7747, 5305012597747, 012597747

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 22, 198701-259-774716282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-259-7747
Part Number Cage Code Manufacturer
112-0579-16894756BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5305-01-259-7747
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
FASTENER LENGTH1.734 INCHES MINIMUM AND 1.781 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH125000 POUNDS PER SQUARE INCH
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