All Military Specification (Mil-Spec) pulleys are manufactured to MIL-DTL-7034. When selecting the proper Mil-Spec Pulley, there are four variations to consider: MIL-DTL-7034/1, MIL-DTL-7034/2, MIL-DTL-7034/3 & MIL-DTL-7034/4. All four callouts have unique features in terms of outer diameter (OD), cable compatibility, allowable loads, and bore size. At eSheaves, we want to help our customers understand the specific differences between the Mil-Spec Pulley choices to ensure they buy the right product for their aircraft cable system. Below are the key differences between the four Mil-Spec Pulley categories.
MIL-DTL-7034/1 – Cross-Reference MS20219 (superseded AN219) is a pulley product used for secondary control in Aircraft. MIL-DTL-7034/1 pulleys:
MIL-DTL-7034/2 – Cross-Reference MS20220 (superseded AN220) are pulleys used for flight control in Aircraft. MIL-DTL-7034/2 pulley specs:
MIL-DTL-7034/3 – Cross-Reference MS20221: are heavy-duty pulleys used for secondary control in Aircraft. MIL-DTL-7034/3 pulleys feature:
MIL-DTL-7034/4 – Cross-Reference MS24566 (superseded AN210B) are anti-friction bearing pulleys used for control In Aircraft. MIL-DTL-7034/4 pulleys have:
Despite all Military Specification (Mil-Spec) pulleys being manufactured to MIL-DTL-7034, we've shown that there are four unique variations to consider when selecting the right product for your aircraft cable system. MIL-DTL-7034/1, MIL-DTL-7034/2, MIL-DTL-7034/3 & MIL-DTL-7034/4. Choosing a pulley for the proper OD, cable size, and loads is simplified by understanding the key differences between the four Mil-Spec Pulley categories.
If you want to learn more about Mil-Spec Pulleys, visit our website at https://www.esheaves.com/products/mil-spec-pulleys/. Alternatively, if you have any questions, we can help! Reach out to us by email through sales@esheaves.com, by phone at 800-321-5667 or by filling out a Quotation for our Military Specification Pulleys at https://www.esheaves.com/contact/request-for-quote/mil-spec-pulleyquotation/.