The forward portion of a static tube which contains opening(s) required to receive the barometric pressure of the atmosphere.
NSN 6150-01-341-1856
NSN 5985-01-200-7497
NSN 5996-01-374-7963
NSN 7035-01-348-5153
NSN 6685-00-171-4473
NSN 5835-01-414-3258
NSN 6150-01-215-0311
NSN 6685-01-408-7758
NSN 5975-01-089-9399
NSN 6240-00-057-6314
NSN 5975-01-449-0694
NSN 5950-01-442-0138