From the notice

This Sources Sought notice is being posted to satisfy the requirement of Defense Federal Acquisition Regulation Supplement (DFARS) 206.302-1(d). The Naval Air Warfare Center, Aircraft Division, Lakehurst, New Jersey intends to procure on a sole-source basis to the Original Equipment Manufacturer, Hydraulic International, Inc, CAGE: 56529 for the procurement of The Hydraulic Fluid Bulk Dispensing Unit (BDU), Part Number (PN) 061482-100MOD2, Small Corrosion Control Cart, PN 051497-100, Triton Hydraulic Fluid Purifier, PN 4106AS0235, Hydraulic Fluid Servicing Unit (HFSU), PN 101803-100 and Tank and Pump Unit, PN 88019-100 in support of the United States Navy (USN) MQ-4C and the Royal Australian Air Force Programs. The proposed action is for hardware for which the Government intends to solicit with only the OEM under the authority of FAR 6.103-1, "Only one responsible source and no other supplies or services will satisfy agency requirements." (THIS NOTICE IS NOT A REQUEST FOR COMPETITIVE PROPOSALS). Responsible, interested parties, however, may identify their interest by submitting a capabilities statement. The Government will consider all information received prior to the closing date of this notice. A determination by the Government not to compete this procurement based upon responses to this notice is solely within the discretion of the Government. The Government will not pay for any responses received.

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