NSN 5305-01-146-6140

Part Details | CLOSE TOLERANCE SCREW

5305-01-146-6140 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: ST3M714410, ST3M714-4-10, HT4049410, HT4049-4-10, ST3M714410, ST3M714-4-10, HT4049410, HT4049-4-10, ST3M714410, ST3M714-4-10, HT4049410, HT4049-4-10, HT4049410, HT4049-4-10, 10115430, HT4049410, HT4049-4-10, HT4049410, HT4049-4-10, HT4049410, HT4049-4-10, HT4049410, HT4049-4-10, ST3M714410, ST3M714-4-10, 5305-01-146-6140, 01-146-6140, 5305011466140, 011466140

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 03, 198301-146-614029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-146-6140
Part Number Cage Code Manufacturer
ST3M714-4-1006950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4049-4-1092215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M714-4-1076301BOEING COMPANY, THEDBA BOEING
HT4049-4-1073197HI-SHEAR CORPORATION
ST3M714-4-1017446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4049-4-1097928HUCK INTL INC
HT4049-4-10L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
10115430A486GNIMIKKEISTOKESKUS NCB FINLAND
HT4049-4-100PTK6SPS TECHNOLOGIES INC
HT4049-4-10K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4049-4-1056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4049-4-1080539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
ST3M714-4-10007R1TWIST TITE MFG, INC
Technical Data | NSN 5305-01-146-6140
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
FASTENER LENGTH0.926 INCHES MINIMUM AND 0.956 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 LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM