3439-01-155-4978

3439-01-155-4978. that has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined. This item is a US Munitions List or Commerce Control List Item which must be destroyed to prevent restoration or repair. Only authorized parties may possess this item. This item may be hazardous as it is in a Federal Supply Class for potentially hazardous items. A MSDS should be available from the supplier for the end user to evaluate any hazards. The precious metals content of this item is unknown.