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.
NSN 6145-00-216-6613
NSN 5999-01-012-4884
NSN 5998-01-071-9941
NSN 5965-01-168-8180
NSN 5855-00-198-3197
NSN 6105-01-032-4706
NSN 5960-00-557-0772
NSN 6685-00-936-6428
NSN 5920-01-350-4426
NSN 5910-01-397-9937
NSN 6135-01-008-4595
NSN 6620-01-062-1662