NSN 5305-00-123-9187

Part Details | CLOSE TOLERANCE SCREW

5305-00-123-9187 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: 3MA12334, 3MA123-3-4, 3MA12334, 3MA123-3-4, 3MFRA12334P, 3MFRA123-3-4P, 3MA12334, 3MA123-3-4, 3MA12334, 3MA123-3-4, 3MA12334, 3MA123-3-4, 3MA12334, 3MA123-3-4, 3MA12334, 3MA123-3-4, 3MA12334, 3MA123-3-4, 3MA12334, 3MA123-3-4, 5305-00-123-9187, 00-123-9187, 5305001239187, 001239187

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 27, 197200-123-918729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-123-9187
Part Number Cage Code Manufacturer
3MA123-3-492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3MA123-3-456540ASSOCIATED AIRCRAFT MANUFACTURING &SALES, INC.
3MFRA123-3-4P76301BOEING COMPANY, THEDBA BOEING
3MA123-3-476301BOEING COMPANY, THEDBA BOEING
3MA123-3-48X044DERCO AEROSPACE, INC.
3MA123-3-473197HI-SHEAR CORPORATION
3MA123-3-434087KITCO, LLCDBA KITCO DEFENSE
3MA123-3-4L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
3MA123-3-480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
3MA123-3-41RGZ2T.A.P. TOOL INC.
Technical Data | NSN 5305-00-123-9187
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.388 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
FASTENER LENGTH0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIAL FEATURESPRIMER COATING APPLIED TO HEAD