The Naval Air Systems Command (NAVAIR) intends to increase the contract ceiling to accommodate additional Electronic Propeller Control System (EPCS) "B" Kits and spares for the USMC KC-130T aircraft. This will be a sole source acquisition to Hamilton Sundstrand Corporation and NAVAIR will subsequently award a Firm Fixed Price delivery order under the existing contract, N00019-11-D-0008. The procurement and delivery of these supplies or services will occur over two years. Unless otherwise stated herein, no formal request for proposal or additional written information is currently available. Request for the same will be disregarded. A determination by the Government not to compete is solely within the discretion of the Government. This synopsis is published for information purposes only. (THIS NOTICE IS NOT A REQUEST FOR COMPETITIVE PROPOSALS). GENERAL INFORMATION: Hamilton Sundstrand is the sole designer, developer, and manufacturer of the current C/KC130 54H60 propeller system, and as such, is the only know source available with the requisite technical knowledge, experience and tooling to produce, to satisfy the government's requirement within the timeframe required. The North American Industry Classification Systems (NAICS) code for the supplies anticipated needed herein is 336413. Subcontracting opportunities should be sought directly from Hamilton Sundstrand at the following address: Hamilton Sundstrand, One Hamilton Road, s/s 3-1-6B, Windsor Locks, Connecticut 06096-1010 and Attn: Joseph Neffinger Tel 860-654-3607. IMPORTANT ADDITIONAL INFORMATION FOR INTERESTED PARTIES: There are no commitments by the government to issue any solicitation, make any award, or to be responsible for any monies expended by any interested parties before award of the modification for the efforts mentioned above. Information provided herein is subject to change and in no way binds the Government to solicit for or award a contract. No telephone response will be accepted. Point of contact for this synopsis is LTJG Dan Laursen. Responses to this synopsis should be sent by fax (301) 757-2290 or by email to [email protected].