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