6SA7
	Equivalent VT150 Similar type   With different Vf   CV number 6SA7 = CV1966 6SA7GT = CV1967 Swedish Mil.nr. 6SA7 = M2463-215 6SA7GT = M2463-216 Hewlett-Packard part no. 1924-0002 Air Min. Ref. 110E/198 Army ZA or ZC ZA3441