NSN 5305-01-066-5308

Part Details | CLOSE TOLERANCE SCREW

5305-01-066-5308 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: 66908H38, 66908H3-8, 5305-01-066-5308, 01-066-5308, 5305010665308, 010665308

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 13, 197801-066-530829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-066-5308
Part Number Cage Code Manufacturer
66908H3-880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-066-5308
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.331 INCHES NOMINAL
FASTENER LENGTH0.831 INCHES NOMINAL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
SINGLE SHEAR STRENGTH132000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.500 INCHES NOMINAL
GRIP DIAMETER0.2016 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM