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 6130-01-566-4982
NSN 6610-01-400-3880
NSN 6240-00-168-0411
NSN 5855-00-797-8217
NSN 6105-00-527-2193
NSN 6130-00-754-8289
NSN 5935-01-423-0497
NSN 5999-00-681-4876
NSN 6110-01-560-9897
NSN 5930-00-032-0343
NSN 6645-01-468-4990
NSN 6145-00-799-1125