The two adjusters shown below are both cam type adjusters. They feature one to one preload, web release ability under load and constant gripping pressure on web. The HBU-5B/A is primarily used as a lap belt adjuster for military aircraft. FDC-4511F17 is used in a wide range of military and commercial tie down applications.
FEATURES OF CAM ADJUSTERS
Releasable under high loads.
High preloading capability.
Not prone to slippage when slack occurs.
NOTE: When used in loop, as with most tie down applications, strength is doubled. [Refer to Section 5, Page 1.