6SG7/6SG7GT
	Equivalent VT211, 6006 Similar type   With different Vf   CV number 6SG7 = CV1978, CV5190 Swedish Mil.nr. 6SG7 = M2463-114 6SG7GT = M2463-115 Air Min. Ref. 110E/266 Army ZA or ZC ZA0321