This procurement is for 4 units of a source-controlled bleed air duct (NSN 1560007805711). The items must be delivered to DLA Distribution Warner Robins within 155 days after order. Only parts from approved sources (14242, 70628, 98769) or meeting the cited drawing requirements will be accepted. Quotes must be submitted electronically, and all responsible sources are encouraged to respond. No budget amount or performance location beyond the delivery destination is specified.