Procurement is for a centrifugal fan assembly, quantity 20 EA, with delivery required 156 days after date of order to W1A8 DLA Distribution. Approved sources are 53711 (8664823-1) and 65409 (R303155-1). The solicitation is an RFQ available through the provided link; hard copies, specifications, plans, and drawings are not available. All responsible sources may submit quotes electronically, and timely received quotes will be considered.