NSN 5305-01-063-1744

Part Details | CLOSE TOLERANCE SCREW

5305-01-063-1744 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: VS2545T4F4, C08244, C082-4-4, SFT224A4, SFT22-4A4, SFT224A4, SFT22-4A4, AIC8244, AIC82-4-4, 5305-01-063-1744, 01-063-1744, 5305010631744, 010631744

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 29, 197801-063-174429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-063-1744
Part Number Cage Code Manufacturer
VS2545T4F492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
C082-4-481755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
SFT22-4A456878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
SFT22-4A480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC82-4-406725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
Technical Data | NSN 5305-01-063-1744
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.267 INCHES MINIMUM AND 0.334 INCHES MAXIMUM
FASTENER LENGTH0.527 INCHES MINIMUM AND 0.574 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER0.2083 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM