Used on 2320-01-542-7628;truck,cargo,22.5 ton,10x10,lvsr;model number mkr18. straight knurled nut; 0.4375-28 unef; 0.5625 round stock 2011 or 2024 aluminum temper or brass with nickel plate
Used on uh-60 blackhawk helicopter, 1520-01-035-0266 and 1520-01-298-4532. nut, adapter, retaining 2.30 in. dia x 0.62 in. wide with 1.70 in. inside dia; diamond pattern knurl; used on internal auxiliary fuel transfer system (iafts)