F 15E Strike Eagle > Air Force > Fact Sheet Display Levelling Box Assembly Knuckle 22 MM Fork Hole 26 MM Min. Length:710 MM 1 1 4 UNC Sparex Part S.61772. Levelling Box Assembly Designed for durability and precision, this assembly features a minimum length of 710mm and a maximum length of 860mm, with an internal width of 23mm and an external width of 80mm. Product Specifications Alternative to 17800 Brand Sparex End Fittings A Knuckle 22mm End Fittings B Fork Hole 26mm Fork Hole (inches) 1 1 32 & 63 64 x 2 13 32 Fork Hole (mm) 26 & 25 x 61 Knuckle Bore (inches) 55 64 Knuckle Bore (mm) 22 Knuckle Width (inches) 2 11 64 Knuckle Width (mm) 55 Maximum Length (inches) 3 55 64 Maximum Length (mm) 860 Minimum Length (inches) 27 61 64 Minimum Length (mm) 710 Tariff Code 7303009090 Thread Size 1 1 4 Thread Type UNC Width External (mm) 80 Width External (inches) 3 5 32 Width Internal (mm) 23 Width Internal (inches) 29 32 Suitable For This Levelling Box Assembly is compatible with a range of Ford New Holland models including: 5000, 5000 US BUILT, 5100, 5110, 5200, 5340, 5600, 5610, 5700, 5900, 6410, 6600, 6610, 6700, 6710, 6810, 7000, 7100, 7200, 7410, 7600, 7610, 7630, 7700, 7710, 7810, 7910, and 8210. Manufacturer Information Part numbers include: Ford New Holland C5NNB863C, C5NNP929A, 83924000, 81802073, E0NNA935AA.