This requirement is authorized by purchase request 88978749; solicit as Unrestricted for approved source of supply with AMC/AMSC of 3D.  Approved source, South-Tek Systems LLC (43Z63). A Request for Proposal (RFP), SPE4A7-21-R-0706, was issued to establish a Definite Quantity Firm Fixed Price type contract; NSN 3655-01-689-3080 GENERATOR, OXYERN, for a quantity of 8 each.  Item is not Critical Application. This is a non-commercial item.  Item is not Critical Safety Item (CSI) per MM03 nor a critical application item. The Production delivery objective is 134 DARO, with FOB point @ Destination and Inspection & Acceptance at Origin requested.  Solicitation is unrestricted for business size, Other than full and open competition in accordance with.  Progress Payment is not authorized for this procurement. This is a stock buy.