NSN 5305-00-059-7042

Part Details | CLOSE TOLERANCE SCREW

5305-00-059-7042 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: NAS58717, NAS587-17, NAS498, 5305-00-059-7042, 00-059-7042, 5305000597042, 000597042

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-059-704229294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

SCREW,CLOSE TOLERAN | 5305-00-059-7042, 000597042

HIGH-TORQUE

SCREW,CLOSE TOLERAN | 5305-00-059-7042, 000597042
Cross Reference | NSN 5305-00-059-7042
Part Number Cage Code Manufacturer
NAS587-1780205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NAS49880205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-059-7042
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.437 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.656 INCHES MINIMUM
FASTENER LENGTH1.703 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.884 INCHES MINIMUM AND 0.888 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.062 INCHES NOMINAL
GRIP DIAMETER0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS-587 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD