The forward portion of a static tube which contains opening(s) required to receive the barometric pressure of the atmosphere.
NSN 6320-01-544-6447
NSN 5945-01-363-2740
NSN 5920-01-524-3007
NSN 5945-00-816-4282
NSN 5965-00-529-0602
NSN 6620-00-542-1579
NSN 5835-00-958-6231
NSN 5950-01-326-8508
NSN 6130-00-528-7838
NSN 5920-01-201-4410
NSN 5915-01-044-5260
NSN 6105-01-471-1593