6SQ7
	Equivalent VT103 Similar type   With different Vf   CV number 6SQ7 = CV1990 6SQ7GT = CV1991 Swedish Mil.nr. 6SQ7 = M2463-228 6SQ7GT = M2463-229 Air Min. Ref. 10E/344, 110E/14 Army ZA or ZC ZA3444