What is generally the tightening method for all clevis?

The tightening method for clevises is typically hand-tightened, primarily due to the nature of their design and the applications they are used for. Hand-tightening ensures that the clevis can be securely attached but also allows for ease of adjustment and disconnection, which is important in various operational contexts. This method provides the necessary grip without the risk of over-torquing, which can compromise the integrity of the connection or lead to damage.

Using a hand-tightened approach allows soldiers to quickly make adjustments in the field when needed while still maintaining a secure attachment point. While other methods like wrench-tightened or torque-wrench tightened can offer more strength and precision, they are generally not standard for clevis applications where quick adjustments may be required. Spring-loaded activation is not relevant to clevises since it pertains to different types of fastening mechanisms entirely. Therefore, hand-tightening is the most practical and effective method for securing clevises in most situations.