NSN 5305-00-240-4540

Part Details | CLOSE TOLERANCE SCREW

5305-00-240-4540 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: VS2545T7F15, C082715, C082-7-15, SFT227A15, SFT22-7A15, SFT227A15, SFT22-7A15, AIC82715, AIC82-7-15, 5305-00-240-4540, 00-240-4540, 5305002404540, 002404540

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 05, 197200-240-454029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-240-4540
Part Number Cage Code Manufacturer
VS2545T7F1592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
C082-7-1581755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
SFT22-7A1556878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
SFT22-7A1580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC82-7-1506725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
Technical Data | NSN 5305-00-240-4540
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.437 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
FASTENER LENGTH1.388 INCHES MINIMUM AND 1.435 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.890 INCHES NOMINAL
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM
GRIP DIAMETER0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM