Please review NSN 2840-00-674-9356, Part Number 6819697 sole source to Rolls Royce Corporation, CAGE 63005 and provide us with any sources that are able to manufacturer the items. Provide the location of the manufacture (City and State) and the point of contacts for these manufacturers if available. All of this information can be submitted to Lois Monroe at email [email protected], (804) 279-5223. Thank you in advance for your assistance.