This procurement is for 18 units of a vehicular heater (NSN 2540015806273), which is a source-controlled drawing item with an approved source. Delivery is required to W1A8 DLA Distribution within 147 days after order placement. The items must meet the requirements of the drawing cited in the solicitation, and digitized drawings are available electronically. Quotes must be submitted electronically, and all responsible sources are encouraged to participate. No budget amount or performance location is specified.