NSN 5305-00-040-9431

Part Details | CLOSE TOLERANCE SCREW

5305-00-040-9431 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: HT8140423, HT8140-4-23, HT295423, HT295-4-23, HT8140423, HT8140-4-23, HT8140423, HT8140-4-23, ST3M454423, ST3M454-4-23, HT295423, HT295-4-23, BM19019423, BM19019-4-23, BM19019423, BM19019-4-23, 11905423, 11905-4-23, 106830423, 106830-4-23, 106830423, 106830-4-23, 5305-00-040-9431, 00-040-9431, 5305000409431, 000409431

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 13, 197200-040-943129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-040-9431
Part Number Cage Code Manufacturer
HT8140-4-23C4293ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH
HT295-4-23C4293ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH
HT8140-4-2306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT8140-4-2392215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-4-2376301BOEING COMPANY, THEDBA BOEING
HT295-4-2373197HI-SHEAR CORPORATION
BM19019-4-2317446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BM19019-4-2397928HUCK INTL INC
11905-4-2359563REID PRODUCTS INC.DBA REID PRODUCTS
106830-4-2350392SPS TECHNOLOGIES INC
106830-4-2356878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5305-00-040-9431
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FASTENER LENGTH1.819 INCHES MINIMUM AND 1.866 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
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 LENGTH1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA08524-B19019 MANUFACTURERS STANDARD