A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5915-01-084-9436
NSN 6145-01-228-1457
NSN 5905-00-826-4750
NSN 5915-01-534-3397
NSN 5905-01-332-2153
NSN 6150-00-442-6014
NSN 5895-00-296-8076
NSN 6145-00-258-3608
NSN 5960-00-402-2012
NSN 5950-01-146-9193
NSN 6685-01-438-3385
NSN 6130-01-642-9711