NSN 5305-01-054-6256

Part Details | CLOSE TOLERANCE SCREW

5305-01-054-6256 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: VT169689, VT1696-8-9, C953589, C9535-8-9, 12175489, 121754-8-9, AIC953589, AIC9535-8-9, 5305-01-054-6256, 01-054-6256, 5305010546256, 010546256

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 23, 197801-054-625629294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-054-6256
Part Number Cage Code Manufacturer
VT1696-8-992215ARCONIC GLOBAL FASTENERS & RINGS,INC.
C9535-8-981755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
121754-8-980539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC9535-8-906725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
Technical Data | NSN 5305-01-054-6256
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.779 INCHES MINIMUM AND 0.809 INCHES MAXIMUM
FASTENER LENGTH1.356 INCHES NOMINAL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
INTERNAL DRIVE STYLE HEXAGON
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM