NSN 5305-01-059-3593

Part Details | CLOSE TOLERANCE SCREW

5305-01-059-3593 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: NAS59056, NAS590-56, 5305-01-059-3593, 01-059-3593, 5305010593593, 010593593

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 10, 197801-059-359329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-059-3593
Part Number Cage Code Manufacturer
NAS590-5680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-059-3593
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH4.047 INCHES MINIMUM AND 4.188 INCHES MAXIMUM
FASTENER LENGTH4.438 INCHES MINIMUM AND 4.468 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER1.201 INCHES MINIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM
GRIP DIAMETER0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS590 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD