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 materials other than copper, iron or steel
NSN 5975-01-445-3307
NSN 6645-00-303-7698
NSN 6240-01-444-7785
NSN 5990-01-516-9665
NSN 5855-01-115-9014
NSN 6650-01-062-3128
NSN 6145-01-383-7134
NSN 6685-01-322-4323
NSN 6610-01-524-0636
NSN 6685-01-254-3490
NSN 5930-00-170-4541
NSN 5950-00-525-2931