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 6220-01-067-1442
NSN 6610-01-445-6362
NSN 6135-01-502-5787
NSN 5935-01-372-5148
NSN 6110-00-476-8689
NSN 5999-00-197-2288
NSN 5998-01-514-8409
NSN 5910-00-258-8383
NSN 6645-01-076-4655
NSN 6645-00-415-9018
NSN 5990-00-167-2692
NSN 5910-01-578-6803