Product Details | CLOSE TOLERANCE SCREW

5305-01-066-9359 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.

Part Alternates: NAS335CP575, NAS335CP57-5, 5305-01-066-9359, 01-066-9359, 5305010669359, 010669359

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 21 OCT 1978 01-066-9359

Drawings & Photos | NSN 5305-01-066-9359


Cross Reference | NSN 5305-01-066-9359

Part Number Cage Code Manufacturer
NAS335CP57-5 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-066-9359

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.531 INCHES NOMINAL
FASTENER LENGTH 6.031 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
SINGLE SHEAR STRENGTH 7300 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.630 INCHES NOMINAL
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
GRIP LENGTH 5.500 INCHES NOMINAL
GRIP DIAMETER 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 5.859 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.047 INCHES NOMINAL FIRST HOLE

Restrictions/Controls & Freight Information | NSN 5305-01-066-9359

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information