NSN 5305-00-055-5781

Part Details | SOCKET HEAD CAP SCREW

5305-00-055-5781 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: FFS86, MS2467762, MS24677-62, MS2467762, MS24677-62, F289, 5305-00-055-5781, 00-055-5781, 5305000555781, 000555781

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-055-578116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5305-00-055-5781
Part Number Cage Code Manufacturer
FFS8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS24677-6296906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS24677-6280205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
F28900365TLD ACE CORPORATION
Technical Data | NSN 5305-00-055-5781
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.345 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FASTENER LENGTH0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM
HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE