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 6110-01-219-9926
NSN 6240-01-628-9240
NSN 5975-00-770-0151
NSN 6685-01-151-7106
NSN 5935-01-060-8898
NSN 5996-01-275-5712
NSN 6645-01-242-8371
NSN 6240-01-139-3377
NSN 5910-01-212-2801
NSN 6220-00-925-4645
NSN 5985-01-222-9226
NSN 6150-01-226-4074