Photo by Sgt. 1st Class Jonathan E. Hall, 369th Transportation Company
Operators, there’s no NSN listed for the air tank valve shown as Item 2 in Fig 160 of TM 9-2320-426-13&P (Aug 14) for your M915A5 tractor truck.
To get the air tank valve, use NSN 4820-00-412-3525.
Jot this info down until the TM is updated.