The forward portion of a static tube which contains opening(s) required to receive the barometric pressure of the atmosphere.
NSN 6645-01-196-6277
NSN 5835-01-406-4066
NSN 5990-00-065-3617
NSN 5945-01-125-9366
NSN 5965-01-448-9585
NSN 5910-01-074-3853
NSN 6320-00-174-1362
NSN 6135-00-819-8074
NSN 6145-00-188-3657
NSN 5835-01-368-1013
NSN 6620-01-500-2456
NSN 6650-01-504-4745