NSN 5305-00-596-2584

Part Details | CLOSE TOLERANCE SCREW

5305-00-596-2584 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: HT4025L4D19, HT4025L4D19, HT4025L4D19, ST3M4544DL19, ST3M454-4DL19, HT4025L4D19, HT4025L4D19, HT4025L4D19, HT4025L4D19, 119054DL19, 11905-4DL19, HT4025L4D19, HT4025L4D19, HT4025L4D19, 5305-00-596-2584, 00-596-2584, 5305005962584, 005962584

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 10, 197500-596-258429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-596-2584
Part Number Cage Code Manufacturer
HT4025L4D19C4293ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH
HT4025L4D1992215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L4D1906950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-4DL1976301BOEING COMPANY, THEDBA BOEING
HT4025L4D1973197HI-SHEAR CORPORATION
HT4025L4D1917446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4025L4D1997928HUCK INTL INC
HT4025L4D19L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11905-4DL1959563REID PRODUCTS INC.DBA REID PRODUCTS
HT4025L4D19R1120SATAIR A/S
HT4025L4D1956878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4025L4D1980539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-596-2584
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 LENGTH1.657 INCHES NOMINAL
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.188 INCHES NOMINAL
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM