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 6150-00-170-4039
NSN 6110-01-170-5995
NSN 5960-01-515-4417
NSN 5985-00-620-5415
NSN 5945-01-629-9492
NSN 5985-00-068-8365
NSN 5990-01-025-7466
NSN 5935-01-353-1484
NSN 5920-01-411-4745
NSN 6220-01-314-5439
NSN 6650-00-382-6080
NSN 6645-00-169-6759