Product Details | THUMBSCREW

5305-00-206-2439 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Part Alternates: CSC160, 5305-00-206-2439, 00-206-2439, 5305002062439, 002062439

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-206-2439

Drawings & Photos | NSN 5305-00-206-2439


Cross Reference | NSN 5305-00-206-2439

Part Number Cage Code Manufacturer
CSC160 088A2 C SYSTEMS LLC DBA CRAIG SYSTEMS

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Technical Data | NSN 5305-00-206-2439

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.375 INCHES MINIMUM
FASTENER LENGTH 1.000 INCHES NOMINAL
MATERIAL STEEL OVERALL
HEAD STYLE C86 WING NO. 1
HEAD HEIGHT 0.625 INCHES NOMINAL
WIDTH BETWEEN FLATS 1.125 INCHES NOMINAL
POINT STYLE F19 FLAT
MANUFACTURERS CODE 088A2
DESIGN CONTROL REFERENCE CSC160

Restrictions/Controls & Freight Information | NSN 5305-00-206-2439

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