The Government proposes a five-year Indefinite Delivery Requirements contract for a PUMP,TRANSMISSION (NSN 4320011153823, Part No. 145DS211-2) for the CHINOOK, with an intended minimum quantity of 7 each. Production lead time without First Article Testing is 420 days after contract award, with deliveries to Tinker AFB, OK 73145-8000. The item is restricted to The Boeing Company, Boeing Distribution Services, Inc., and Parker-Hannifin Corporation because the Government lacks data rights and reverse engineering is uneconomical. Offerors must meet prequalification requirements and are encouraged to seek source approval through AvMC’s public website to compete for future solicitations. All responsible sources may submit an offer, and foreign firms must process solicitation requests through their respective embassies.