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 4140-00-922-8875
NSN 4140-01-340-7606
NSN 6105-01-537-0105
NSN 5945-01-500-2140
NSN 6145-00-269-4271
NSN 4140-01-038-4877
NSN 6620-00-719-4915
NSN 6650-00-351-9362
NSN 5998-01-644-6674
NSN 6685-01-033-9900
NSN 6135-01-230-4399
NSN 6220-00-514-4116