NSN 5305-01-304-0638

Part Details | CLOSE TOLERANCE SCREW

5305-01-304-0638 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: ST3M7133111, ST3M713-3-11-1, HT40483111, HT4048-3-11-1, HT40483111, HT4048-3-11-1, ST3M7133111, ST3M713-3-11-1, HT40483111, HT4048-3-11-1, HT40483111, HT4048-3-11-1, HT40483111, HT4048-3-11-1, HT40483111, HT4048-3-11-1, HT40483111, HT4048-3-11-1, 5305-01-304-0638, 01-304-0638, 5305013040638, 013040638

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 11, 198901-304-063829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-304-0638
Part Number Cage Code Manufacturer
ST3M713-3-11-192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4048-3-11-192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4048-3-11-106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M713-3-11-176301BOEING COMPANY, THEDBA BOEING
HT4048-3-11-173197HI-SHEAR CORPORATION
HT4048-3-11-117446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4048-3-11-197928HUCK INTL INC
HT4048-3-11-1L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
HT4048-3-11-156878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5305-01-304-0638
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
FASTENER LENGTH0.949 INCHES MINIMUM AND 0.979 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM