The Naval Surface Warfare Center Philadelphia intends to procure three custom built Engine Oil Pan blanking plates from Hawthorne Caterpillar (OEM) on a sole source basis. The proposed contract action... The Naval Surface Warfare Center Philadelphia intends to procure three custom built Engine Oil Pan blanking plates from Hawthorne Caterpillar (OEM) on a sole source basis. The proposed contract action is for supplies or services for which the Government intends to solicit and negotiate with only one source under authority at FAR 13.106- 1(b). Any questions regarding this notice should be emailed to: john.m.ngov.civ@us.navy.mil Phone calls will not be accepted