5/8″ Bore MS20271-B12 Covered Universal Joint (aka: Helicopter Joint)

5/8″ bore Belden high-quality, heavy-duty universal joint that is manufactured to Military Specification MS-20271: Their strong yet compact, thin wall construction allows them to fit into those tight spots commonly found on shift linkages of mid-engine and formula cars. Each joint is permanently lubricated and covered with a silicone rubber boot to exclude dirt. They are designed for cross-bolting, pinning, or welding to a close fitting shaft or torque tube. (Welding must be done carefully to prevent heat damage) Genuine, Made in the USA, Belden MS 271 series universal joints – not unreliable foreign knock-offs sold elsewhere. These joints are tested to meet or exceed Mil Spec MIL-J-6193 and MS20271 standards. Don’t forget your saddle washers. This U-joint takes 3/4″ diameter tubing saddle washers. Joints are sold individually. 10% discount if you order 3 or more of this size. General Information Part Name: Heavy Duty MilSpec – Single Universal Joint Joint Outside Diameter Nominal D (in): 3/4″ Product Specifications Part Type: Single Universal Joint Part Design: Heavy Duty MilSpec Part Style: Pin & Block – Friction Bearing Part Material: Alloy Steel Part Plating: Cadmium Performance Data Ultimate Torque (in-lbf): 1900 Ultimate Torque (Nm): 214.70 Torque Rating (in-lbf):285.0 Torque Rating (Nm): 32.2 Operating Angle: 35° Dimensional Data Joint Outside Diameter D (in): 0.745 Joint Outside Diameter D (mm): 18.90 Insp. Hole Location H (in): 0.810 Insp. Hole Location H (mm): 20.60 Overall Length L1 (in): 3.188 Overall Length L1 (mm): 81.00 Yoke Length L2 (in): 1.594 Yoke Length L2 (mm): 40.50 Hub Depth L3 (in): 0.875 Hub Depth L3 (mm): 2220 Bore diameter B (in): 0.630 or 5/8″ Bore diameter B (mm): 15.88 Bore Type: Bore