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 6645-00-292-5053
NSN 5975-01-027-1642
NSN 6645-01-502-3068
NSN 5999-00-079-6624
NSN 6610-00-181-7544
NSN 6150-00-791-9511
NSN 6150-00-099-0220
NSN 5910-01-154-8164
NSN 6150-00-707-3950
NSN 5985-01-497-4587
NSN 5975-01-202-7423
NSN 5999-00-653-5831