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 5945-00-019-0176
NSN 5998-01-269-9168
NSN 5895-01-246-8276
NSN 5905-01-512-1314
NSN 6610-00-321-3462
NSN 6150-01-281-7279
NSN 5960-01-201-5804
NSN 5996-01-454-1821
NSN 5965-01-575-6787
NSN 5855-01-620-0958
NSN 5996-01-449-7131
NSN 5920-01-237-3224