COLLINS RTU-90 RADIO TUNE UNIT • FOR SALE • P/N: 622-5612-035 RTU-90 "As Removed" working condition. Warranty. S/N: 076 • Contact Ray Testa - TESTA ENTERPRISES , Owner - located Pinehurst, NC 28374-6714 United States • Telephone: ---------- • Fax: ---------- • Posted January 25, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad