NSN 5305-01-255-9449

Part Details | CLOSE TOLERANCE SCREW

5305-01-255-9449 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: ST3M4543DL6, ST3M454-3DL6, HT4025L3D6, HT4025L3D6, ST3M4543DL6, ST3M454-3DL6, ST3M4543DL6, ST3M454-3DL6, ST3M4543DL6, ST3M454-3DL6, HT4025L3D6, ST3M4543DL6, ST3M454-3DL6, HT4025L3D6, HT4025L3D6, HT4025L3D6, 119053DL6, 11905-3DL6, ST3M4543DL6, ST3M454-3DL6, HT4025L3D6, HT4025L3D6, HT4025L3D6, HT4025L3D6, HT4025L3D6, ST3M4543DL6, ST3M454-3DL6, WC4025L3D6, WC4025L-3D6, 5305-01-255-9449, 01-255-9449, 5305012559449, 012559449

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 30, 198701-255-944929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-255-9449
Part Number Cage Code Manufacturer
ST3M454-3DL692215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L3D692215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L3D606950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-3DL676301BOEING COMPANY, THEDBA BOEING
ST3M454-3DL658998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
ST3M454-3DL60ZC92HEARTLAND PRECISION FASTENERS, INC.
HT4025L3D673197HI-SHEAR CORPORATION
ST3M454-3DL61VSL7HOUSTON PRECISION FASTENERS I, LP
HT4025L3D617446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4025L3D697928HUCK INTL INC
HT4025L3D6L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11905-3DL659563REID PRODUCTS INC.DBA REID PRODUCTS
ST3M454-3DL6K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4025L3D6K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4025L3D656878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4025L3D680539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4025L3D606725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
HT4025L3D627624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
ST3M454-3DL606710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
WC4025L-3D660516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-255-9449
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
FASTENER LENGTH0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIAL FEATURESPAINT COLOR WHITE