MIL-DTL-20625 Universal Joints, Block Type, Mechanical Remote Control SystemThis specification covers universal joints of the block type for use in rotary type hand-operated or intermittent power-operated valve remote control systems of the mechanical type.

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MIL-DTL-20625B

3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally

preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the

operational and maintenance requirements, and promotes economically advantageous life cycle costs.

3.3 General design. Universal joints shall consist of two hubs with extended jaws, herein called the "yoke",

block and bearing pins, assembled so that a torque applied to one hub will be transmitted to the other. The

dimensions shall conform to table III and joints shall be assembled as shown on figure 1 (see 4.2.1).

Classes A and C

Class B

FIGURE 1. Universal joints.