Used on grumman aerospace corp a10 aircraft. grumman aerospace a-10 aircraft cadmium surface treated N1 outside hexagon or octagon (partial or full thread optional)
3a all ends thread class 18 1st end thread quantity per inch annular serrations on both sides of hex anodize surface treated uns all ends thread series
Used on 20 ton wheel mounted drane,harnischfeger model m320rt. 2b 1st end thread class 24 1st end thread quantity per inch external tube 0.625-18on end npt 2nd end thread series
Used on 5 to 8 ton gasoline engine driven roller huber model t-58-m;cleaner, steam, high pressure, hot water jet. grumman aerospace a-10 aircraft; weapon system essential npt all ends thread series
