text: Chapter 5
  Suspension Clevises
  5-20. Clevises come in three sizes.
  Large
  5-21. This clevis (NSN 4030-00-090-5354) has a rated capacity of 12,500 pounds (pendant) with a
  7,875-pound sling-to-lifting provision point of attachment. Adding more large clevises as attaching points
  increases rated capacity as follows:
  y Two large clevises increase rated capacity to 15,750 pounds.
  y Three large clevises increase rated capacity to 23,625 pounds.
  y Four large clevises increase rated capacity to 31,500 pounds.
  Medium
  5-22. This clevis (NSN 1670 4030-00-678-8562, Figure 5-4) has a rated capacity of 6,250 pounds
  (pendant) with a 3,750-pound sling-to-lifting provision. Adding more medium clevises as attaching points
  increases rated capacity as follows:
  y Two medium clevises increase rated capacity to 7,500 pounds.
  y Three medium clevises increase rated capacity to 11,250 pounds.
  y Four medium clevises increase rated capacity to 15,000 pounds.
  Figure 5-4. Upper sling and medium clevis.