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 5975-01-364-0000
NSN 6320-00-483-0451
NSN 5835-00-470-4295
NSN 5960-00-930-5360
NSN 6685-01-437-8880
NSN 5920-01-181-5248
NSN 5930-01-576-8610
NSN 5895-01-511-7185
NSN 5985-01-539-8289
NSN 5905-01-263-9250
NSN 4140-01-042-9066
NSN 4140-00-577-3512