NSN 5305-00-505-4220

Part Details | CLOSE TOLERANCE SCREW

5305-00-505-4220 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: LS15237C311, LS15237C3-11, LS15237C311, LS15237C3-11, LS15237C311, LS15237C3-11, LS15237C311, LS15237C3-11, LS15237C311, LS15237C3-11, LS15237C311, LS15237C3-11, 106363C311, 106363C3-11, LS15237C311, LS15237C3-11, 5305-00-505-4220, 00-505-4220, 5305005054220, 005054220

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 20, 197400-505-422029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-505-4220
Part Number Cage Code Manufacturer
LS15237C3-1106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LS15237C3-1192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
LS15237C3-1173197HI-SHEAR CORPORATION
LS15237C3-11L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
LS15237C3-1198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
LS15237C3-1156878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
106363C3-1180539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
LS15237C3-1180539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-505-4220
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.318 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
FASTENER LENGTH1.016 INCHES MINIMUM AND 1.046 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.266 INCHES MINIMUM AND 0.303 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM