Lockheed Martin Spec R17541 Order or Get a Quote for Labels or Nameplates Use this form to order nameplates per Lockheed Martin Spec R17541. MFR Enter the company identifier here. PNO Enter the required part number here. SEQ Enter the required serial numbers here. Size P2 P3 P5 P6 P8 Please Select: If this is a purchase order please include the PO number, billing and shipping addresses and shipping account number (shipping will be added to PO if account number is not supplied) in the email when submitting this order. Inquiry Type Request For Quote Purchase Order