NSN 5305-00-143-0449

Part Details | CLOSE TOLERANCE SCREW

5305-00-143-0449 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: 3MA15054, 3MA1505-4, 3MFR15054, 3MFR1505-4, 3MA15054, 3MA1505-4, 3MA15054, 3MA1505-4, 3MA15054, 3MA1505-4, 3MA15054, 3MA1505-4, 5305-00-143-0449, 00-143-0449, 5305001430449, 001430449

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 10, 197300-143-044929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-143-0449
Part Number Cage Code Manufacturer
3MA1505-492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3MFR1505-476301BOEING COMPANY, THEDBA BOEING
3MA1505-476301BOEING COMPANY, THEDBA BOEING
3MA1505-473197HI-SHEAR CORPORATION
3MA1505-4L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
3MA1505-480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-143-0449
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.938 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.292 INCHES MINIMUM
FASTENER LENGTH0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.578 INCHES MINIMUM AND 0.633 INCHES MAXIMUM
COUNTERSINK ANGLE90.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
SPECIAL FEATURESPRIMER APPLIED TO SCREW PER FSCM 76301,PROCESS SPEC P. S. 13421