NSN 5305-00-324-9284

Part Details | CLOSE TOLERANCE SCREW

5305-00-324-9284 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: HT4025L4D46, HT4025L4D46, ST3M4544DL46, ST3M454-4DL46, ST3M4544DL46, ST3M454-4DL46, HT4025L4D46, HT4025L4D46, HT4025L4D46, HT4025L4D46, 119054DL46, 11905-4DL46, HT4025L4D46, HT4025L4D46, ST3M4544LD46, ST3M454-4LD46, WC4025L4D46, WC4025L-4D46, 5305-00-324-9284, 00-324-9284, 5305003249284, 003249284

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 28, 197300-324-928429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-324-9284
Part Number Cage Code Manufacturer
HT4025L4D4692215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L4D4606950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-4DL4676301BOEING COMPANY, THEDBA BOEING
ST3M454-4DL4658998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4025L4D4673197HI-SHEAR CORPORATION
HT4025L4D4617446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4025L4D4697928HUCK INTL INC
HT4025L4D46L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11905-4DL4659563REID PRODUCTS INC.DBA REID PRODUCTS
HT4025L4D4650392SPS TECHNOLOGIES INC
HT4025L4D4656878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
ST3M454-4LD4680539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
WC4025L-4D4660516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-00-324-9284
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
FASTENER LENGTH3.329 INCHES MINIMUM AND 3.359 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.2865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM