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 5999-01-380-1294
NSN 5950-00-555-0605
NSN 6130-00-514-1177
NSN 2925-00-993-5748
NSN 5965-00-088-1722
NSN 7035-00-631-3782
NSN 6650-01-328-8363
NSN 6130-00-443-9754
NSN 6645-01-204-8677
NSN 6650-01-411-6292
NSN 5950-00-949-7983
NSN 6150-01-272-7965