This solicitation is to result in an Indefinite Quantity Contract with a base period of one year with provisions for 4 one-year option periods covering National Stock Number (NSN) 5855-01-440-6614, Mount, Viewer, in accordance with L-3 Communications CAGE 55311 P/N 265897-1 or Exelis Inc CAGE 13567 P/N 265897-1. Estimated Annual Quantity 360 EA.  Guaranteed Minimum Quantity 90 EA applicable to the base year only.  The 5-year maximum contract quantity is 1800 EA.  FOB Origin Inspection/Acceptance Destination.  Solicitation will be issued Unrestricted on an Other Than Full and Open Competitive basis.  Item is not commercial.  A copy of the solicitation will be available via the DIBBS website https://www.dibbs.bsm.dla.mil.  The expected issue date is May 11, 2016.  The final contract award decision may be based on a combination of price, past performance, and other evaluation factors as described in the solicitation.