NSN 5305-00-486-2581

Part Details | CLOSE TOLERANCE SCREW

5305-00-486-2581 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Alternate Parts: VT1039H1015, VT1039H10-15, C387H1015, C387H10-15, HR101H1015, HR101H10-15, HR101H1015, HR101H10-15, C387H1015, C387H10-15, 64040H1015, 64040H10-15, 64040H1015, 64040H10-15, AIC1023H1015, AIC1023H10-15, CS318642H1015, CS318642H10-15, 5305-00-486-2581, 00-486-2581, 5305004862581, 004862581

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 06, 196900-486-258129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-486-2581
Part Number Cage Code Manufacturer
VT1039H10-1592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
C387H10-1506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HR101H10-1573197HI-SHEAR CORPORATION
HR101H10-15L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
C387H10-1581755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
64040H10-1556878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
64040H10-1580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC1023H10-1506725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
CS318642H10-1593907TEXTRON FASTENING SYSTEMSDBA DECORAH OPERATIONS TFS
Technical Data | NSN 5305-00-486-2581
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.843 INCHES MINIMUM AND 0.893 INCHES MAXIMUM
FASTENER LENGTH1.791 INCHES MINIMUM AND 1.821 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER1.007 INCHES MINIMUM AND 1.034 INCHES MAXIMUM
COUNTERSINK ANGLE60.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM
GRIP DIAMETER0.6235 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM
SPECIAL FEATURESBEARING SURFACE OF HEAD GROOVED TO 0.769 IN. MIN,0.771 IN. MAX DIA,0.155 IN. MIN,0.160 IN. MAX FROM TOP OF HEAD