Which hydraulic hose specification indicates a hose for high-pressure applications?

The specification that indicates a hose suitable for high-pressure applications is MIL-H-8794. This specification is specifically designed for hydraulic hoses that must endure higher operating pressures and, as such, is constructed to resist various stresses associated with high-pressure hydraulic systems.

The standards outlined in MIL-H-8794 focus on the materials and construction techniques that can handle the demanding environments typical of high-pressure hydraulic applications, which are commonly found in aerospace systems. These hoses usually have reinforced layers and may include synthetic rubber or high-performance materials that enhance pressure resistance.

In contrast, the other specifications relate to different operational requirements. For example, MIL-H-5606 pertains to hydraulic fluid systems that operate at moderate pressure levels. MIL-H-53263 is related to other hydraulic systems but does not emphasize high-pressure use. MIL-H-8446 is often used for lower pressure applications and does not meet the high-performance requirements that MIL-H-8794 addresses. Therefore, MIL-H-8794 is clearly designated for high-pressure applications, making it the correct choice.