Tube, Pressure, 7.07" (179.58mm), 3000, Except 3500, 3550, (Not Shown), Start Year: 04/01/1968

Used in models:4400, 3400, 535, 4410, 420, 335, 4140, 532, 515, 4500, 2600R, 3150, 531, 2100, 3600, 3100, 334, 2300, 2310, 4600SU, 3000-SERIES, 3110, 4330, 4600O, 2910, 3055, 4200, 3610, 2120, 3300, 2610, 3610NO, 4340, 3600R, 4000-SERIES, 3330, 3900, 3600N, 2600V, 4100, 2110, 3600NO, 234, 3310, 233, 4600NO, 2600N, 3120, 3600V, 2000-SERIES, 2150, 2810