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 5835-01-116-2369
NSN 5965-01-560-8572
NSN 6645-01-218-5234
NSN 5998-01-545-1923
NSN 6320-00-646-3311
NSN 6650-01-168-8451
NSN 5985-00-078-9419
NSN 5999-01-117-6158
NSN 5910-01-275-6819
NSN 2925-01-085-0691
NSN 6145-00-996-8879
NSN 6320-01-211-6578