Flight safety critical
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.
Classification: Check valves of materials other than copper, iron or steel
NSN 5990-00-210-2953
NSN 6130-01-027-0762
NSN 6320-01-493-4472
NSN 6685-00-152-3982
NSN 6110-00-705-5863
NSN 6240-01-384-3887
NSN 6135-00-299-6918
NSN 5910-01-503-4356
NSN 6320-00-270-8222
NSN 5925-01-193-0171
NSN 5975-01-534-7115
NSN 6145-00-787-7313