The forward portion of a static tube which contains opening(s) required to receive the barometric pressure of the atmosphere.
NSN 6645-00-487-8044
NSN 6130-01-597-3481
NSN 5855-00-944-0949
NSN 4140-00-617-0984
NSN 6685-00-354-2086
NSN 5920-00-033-6598
NSN 5835-01-497-5029
NSN 5920-01-106-9018
NSN 5975-01-446-6074
NSN 5999-00-343-6770
NSN 6650-00-139-7614
NSN 5935-01-578-3925