NSN 5305-00-052-5084

Part Details | CLOSE TOLERANCE SCREW

5305-00-052-5084 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: NAS338CPA17, 5305-00-052-5084, 00-052-5084, 5305000525084, 000525084

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-052-508429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-052-5084
Part Number Cage Code Manufacturer
NAS338CPA1780205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-052-5084
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.756 INCHES MINIMUM AND 0.823 INCHES MAXIMUM
FASTENER LENGTH1.953 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER1.007 INCHES MINIMUM AND 1.017 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
GRIP DIAMETER0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS338 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD