Dip Stick identification

[bergy]

I was just organizing some parts and came across this dip stick. Must be SBC, but anybody know the application(s)?

http://www.yenko.net/ubbthreads/pics/usergals/2013/12/full-2170-8636-img_31831.jpg
http://www.yenko.net/ubbthreads/pics/usergals/2013/12/full-2170-8637-img_31841.jpg
http://www.yenko.net/ubbthreads/pics/usergals/2013/12/full-2170-8638-img_31851.jpg
http://www.yenko.net/ubbthreads/pics/usergals/2013/12/full-2170-8639-img_31861.jpg