NSN 5305-01-284-4746

Part Details | CLOSE TOLERANCE SCREW

5305-01-284-4746 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: HT402734, HT4027-3-4, HT402734, HT4027-3-4, ST3M55734, ST3M557-3-4, ST3M55734, ST3M557-3-4, HT402734, HT4027-3-4, HT402734, HT4027-3-4, HT402734, HT4027-3-4, HT402734, HT4027-3-4, 3929AS12273R4, 3929AS1227-3R4, 10199376, 3929AS12273R4, 3929AS1227-3R4, HT402734, HT4027-3-4, HT402734, HT4027-3-4, ABCD, ST3M55734, ST3M557-3-4, WC402734, WC4027-3-4, 5305-01-284-4746, 01-284-4746, 5305012844746, 012844746

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 24, 198801-284-474629294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HIGH-TORQUE

Cross Reference | NSN 5305-01-284-4746
Part Number Cage Code Manufacturer
HT4027-3-492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4027-3-406950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M557-3-476301BOEING COMPANY, THEDBA BOEING
ST3M557-3-458998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4027-3-473197HI-SHEAR CORPORATION
HT4027-3-417446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4027-3-497928HUCK INTL INC
HT4027-3-4L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
3929AS1227-3R430003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
10199376A486GNIMIKKEISTOKESKUS NCB FINLAND
3929AS1227-3R4072E5RAYTHEON COMPANYDBA RAYTHEON
HT4027-3-456878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4027-3-480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
ABCD02277THERMO ELECTRON CORP
ST3M557-3-4007R1TWIST TITE MFG, INC
WC4027-3-460516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-284-4746
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 LENGTH0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE6 CROWNED HEXAGON
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
HEAD HEIGHT0.013 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM