A sources sought notice seeks sources for an electronic engine regulator-control (NSN 2990-01-538-9316, Part Number 23530476) used on the Heavy Expanded Mobility Tactical Truck (HEMTT). The required quantity is a base of 127 units with an option for 100% additional units. Responses are due by 16 September 2026. This is not an open solicitation; technical data is unavailable, and qualification testing and evaluation are required to become an approved source. Becoming an approved source does not guarantee business, only eligibility to compete on future solicitations.