NSN 5305-00-040-4173

Part Details | CLOSE TOLERANCE SCREW

5305-00-040-4173 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: 3M263517, 3M263-5-17, 3M263517, 3M263-5-17, 3M263517, 3M263-5-17, 3M263517, 3M263-5-17, 66117H517, 66117H5-17, 66117H517, 66117H5-17, 5305-00-040-4173, 00-040-4173, 5305000404173, 000404173

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 13, 197200-040-417329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-040-4173
Part Number Cage Code Manufacturer
3M263-5-1792215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M263-5-1776301BOEING COMPANY, THEDBA BOEING
3M263-5-1773197HI-SHEAR CORPORATION
3M263-5-17L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
66117H5-1756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
66117H5-1780539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-040-4173
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
FASTENER LENGTH1.513 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH11050 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM