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 5905-01-145-4552
NSN 5975-01-278-5834
NSN 5996-00-321-5418
NSN 5895-00-153-2595
NSN 5965-01-534-4744
NSN 5920-01-157-9471
NSN 6685-01-048-4503
NSN 5996-01-202-6544
NSN 6220-00-754-8375
NSN 6150-00-233-8035
NSN 6130-01-086-8190
NSN 6320-01-119-3935