Purchase Request number 0068930878 has been issued to procure a quantity of approximately 83 each of NSN 4710-01-622-3973, Tube Metallic. No technical data package is available.  Delivery is 264 DARO.  This item is a sole source item to cage 52661/77445-United Technologies Corporation.  This is FOB Origin and Inspection/Acceptance at Origin. This solicitation is unrestricted, utilizing other than full and open competition.  Item is not used in the commercial sector. This material is designated as an Air Force Critical Safety Item (CSI).   The issue date is on or around 6/22/17 and the closing date is on or around 7/24/17.   It is anticipated that an award will be made against the OEM's Basic Ordering Agreement (BOA) and a letter solicitation will be utilized; however, a copy of the solicitation will be made available upon request.  In order to receive an award, regardless of dollar value, you must be registered in System for Award Management (SAM).  SAM registration is at https://www.sam.gov.  Alternate offerors must submit a Source Approval Request (SAR):  SAR Guide Link http://www.aviation.dla.mil/sbo/ Select "Source Approval Requests". The final contract award decision may be based upon a combination of price, past performance and other evaluation factors as described in the solicitation utilizing the Past Performance Information Retrieval System (PPIRS).  Point of contact for this procurement is Myra Blaszak, Phone 804-279-3768, Fax 804-279-6687 or e-mail [email protected].