The Naval Air Warfare Center Aircraft Division (NAWCAD) at Lakehurst intends to award a fixed-price contract on a sole-source basis to AAR Corporation. The procurement is for one unit of the Fittings set, Rynglok, Part Number RTSK8-01-001, NSN 5180-01-331-7319, in support of the Japan FMS E-2D Program. The sole-source justification cites FAR 6.302-1 and 10 U.S.C. 3204(a)(1), stating that only one responsible source can satisfy the requirement. This notice is not a request for competitive proposals, but responses will be considered to determine whether competition is possible. Registration in the System for Award Management (SAM) is mandatory for any party seeking consideration.