The contractor shall furnish all services, facilities, labor, parts, materials, equipment, tools, and data (other than Government Furnished Property), necessary to accomplish the Overhaul of the following assets: NOMENCLATURE: Mechanical Transmission INPUT NSNs: P/Ns: 1615-01-542-7514 70351-58100-046 1615-01-686-7198 70351-58100-050 1615-01-701-8346 70351-58100-051 OUTPUT NSN: P/N: 1615-01-701-8346 70351-58100-051 ESTIMATED QUANTITY RANGE: Minimum 25 each – Maximum 150 each (Maximum includes a Foreign Military Sales (FMS) Quantity of 25 each) The applicable North American Industry Classification System (NAICS) code is 336413 and the size standard is 1,250 employees. Interested parties who have the capability to perform the above effort should respond to this notice and identify your business size and socio-economic status as applicable. All submissions must include full company name, Point of Contacts (POCs) to include, name, position, office and mobile telephone numbers and email address. DMWR 1-1615-372, revision date 5/30/2018 has been identified for this effort; however, the Mechanical Transmission is an aviation Critical Safety Item (CSI) as defined by DFARS 209.270-2. As such, the overhaul can only be performed by a source approved by the Systems Readiness Directorate (SRD). Currently, the only known approved source for the Mechanical Transmission is Sikorsky Aircraft Corporation (Large Business). Prospective contractors are strongly encouraged to submit a Source Approval Request (SAR). To qualify as an approved source, offerors must possess a current Cybersecurity Maturity Model Certification (CMMC) Level 2 assessment from an authorized Certified Third-Party Assessment Organization (C3PAO) and submit all requisite documentation to the cognizant SAR approval office list in the instructions on the website below. Comprehensive submission instructions and guidelines are available at: https://amrdec.army.afpims.mil/Directorates/STI/. This procurement will follow the procedures of FAR Part 15. No telephone requests for the solicitation will be accepted. Requests for the solicitation shall be by email only. Email requests should be sent to andrew.e.cameron.civ@army.mil. Proposals shall be emailed. No fax or hard copy responses will be accepted. This requirement is currently unfunded. Award will be withheld pending receipt of sufficient funds. The closing date annotated is an estimated date and may be adjusted dependent upon the date of release of the solicitation; however, the solicitation will not close prior to the closing date stated above.