A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of steel
NSN 6610-00-133-4508
NSN 6240-00-443-8000
NSN 5998-01-429-7010
NSN 5935-01-492-3603
NSN 6145-01-278-2103
NSN 5998-01-274-6787
NSN 5895-00-004-0977
NSN 6650-01-258-9543
NSN 5965-01-210-7784
NSN 5965-01-142-1807
NSN 5990-01-476-9956
NSN 5920-01-445-5701