Modulator Assembly. NSN: 2920-01-337-4099. Part Number: R3506330. Quantity: 6 each. FOB Point: Destination. See Note 22 -- Sole Source. The offer due date is on or about 22 Jan 01. (See solicitation upon release for actual due date). To view more of TACOM's acquisitions and awards, visit website: http://contracting.tacom.army.mil/opportunity.htm.