NSN 5305-00-144-4096

Part Details | CLOSE TOLERANCE SCREW

5305-00-144-4096 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: HT4UA47, HT408A447, HT408A4-47, HT408A447, HT408A4-47, 3M46447, 3M46-4-47, HT4UA47, 54266447, 54266-4-47, 54266447, 54266-4-47, 5305-00-144-4096, 00-144-4096, 5305001444096, 001444096

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 10, 197300-144-409629294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-144-4096
Part Number Cage Code Manufacturer
HT4UA47C4293ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH
HT408A4-47C4293ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH
HT408A4-4792215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M46-4-4776301BOEING COMPANY, THEDBA BOEING
HT4UA4773197HI-SHEAR CORPORATION
54266-4-4756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
54266-4-4780539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-144-4096
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.469 INCHES NOMINAL
FASTENER LENGTH3.407 INCHES NOMINAL
HEAD STYLE1 HEXAGON COUNTERSUNK
HEAD DIAMETER0.502 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
HEAD HEIGHT0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH2.938 INCHES NOMINAL
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIAL FEATURESO-RING INCLUDED