The forward portion of a static tube which contains opening(s) required to receive the barometric pressure of the atmosphere.
NSN 5998-00-052-1715
NSN 6135-01-051-7836
NSN 6610-01-485-8973
NSN 6220-01-038-0418
NSN 5895-01-453-8613
NSN 6150-00-755-4852
NSN 6145-00-727-6736
NSN 6105-01-184-1291
NSN 6620-01-266-8894
NSN 5960-00-558-9152
NSN 5990-01-189-3201
NSN 6150-01-445-4003