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 5910-00-781-9238
NSN 5895-01-574-5224
NSN 5855-01-020-7982
NSN 6150-01-529-4375
NSN 5990-01-364-8405
NSN 5950-01-582-3029
NSN 5990-00-061-3360
NSN 6135-01-415-1163
NSN 5895-00-535-4834
NSN 5895-01-075-3847
NSN 5835-00-816-0394
NSN 5905-00-542-3705