Manifold style, pilot operated (item 43); ameican piledriving equipment (ape) operation/maintenance manual for 150/150t vibratory driver with model 330/525 hydraulic power unit identifies this as item 42
No other part numbers with same form, fit, and function found.
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.
Classification: Safety or relief valves
NSN 5950-01-174-6049
NSN 6645-01-118-2058
NSN 5996-01-458-3885
NSN 5930-00-247-3357
NSN 5910-01-257-3539
NSN 5920-00-568-6273
NSN 5835-01-235-5061
NSN 5915-01-142-2018
NSN 5835-01-411-7050
NSN 6130-01-431-6942
NSN 5855-00-987-1171
NSN 5935-01-464-2434