This opportunity is being issued under emergency acquisition flexibilities due to urgency, and only newly manufactured spare parts are acceptable; refurbished, remanufactured, or repaired material is ineligible for award. Offers from sources that are not government-approved sources of supply will be deemed technically unacceptable. Distributors of approved sources must email an authorized distributor letter on the source’s letterhead to the buyer point of contact. The requirement incorporates DFARS clause 252.209-7010 for Critical Safety Items and DLAD clause 46.292 for Product Verification Testing where Government inspection and acceptance are conducted at source. DFARS clause 252.242-7005 for Contractor Business Systems applies as applicable, and use of the Workflow Pro (WFP) Mod Assist module is mandatory.