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 5998-01-264-5027
NSN 2925-01-063-7876
NSN 5965-01-195-2168
NSN 6135-00-856-1343
NSN 6685-00-537-0256
NSN 4140-00-383-8230
NSN 5999-01-525-3682
NSN 6110-00-353-0139
NSN 6645-01-273-2462
NSN 6220-00-443-6522
NSN 6110-00-778-3558
NSN 5935-01-584-3428