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 6110-01-368-6731
NSN 5920-00-824-1515
NSN 6105-01-317-2026
NSN 5905-01-617-7426
NSN 4140-00-800-7204
NSN 6645-00-498-6869
NSN 6650-01-367-7593
NSN 6610-00-456-0485
NSN 6610-00-504-2839
NSN 6145-01-646-7143
NSN 2925-00-578-4068
NSN 5925-00-394-6894