Buna n seals
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 6150-00-432-1351
NSN 5950-01-281-6996
NSN 7035-00-064-7008
NSN 5915-01-178-2598
NSN 6220-00-258-2967
NSN 6110-00-500-0475
NSN 5925-01-359-4080
NSN 6620-01-043-6424
NSN 6650-01-364-8504
NSN 6145-00-840-6685
NSN 2925-01-205-4584
NSN 6145-01-440-0663