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 6145-00-144-0083
NSN 5965-00-318-6479
NSN 6145-01-307-4980
NSN 5930-00-859-6866
NSN 5960-01-567-1096
NSN 5835-01-386-4027
NSN 5996-00-916-9235
NSN 6150-01-541-9886
NSN 5855-01-562-7562
NSN 6220-01-290-6807
NSN 5960-01-108-0457
NSN 5996-01-072-4405