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 6645-01-449-1824
NSN 6220-00-772-1584
NSN 2925-01-439-4451
NSN 5935-01-210-4095
NSN 5985-01-105-6211
NSN 5925-01-302-8954
NSN 5996-01-253-3486
NSN 6110-01-573-6194
NSN 6685-01-533-3448
NSN 5975-01-536-7749
NSN 6130-01-367-2528
NSN 5945-01-586-6170