The RCA 5ABP  (P/N 154-068, 154-0068-00, 154-0068-01, 154-0068-03, 154-069, 154-0069-00, 154-070, 154-0070-00, 154-0070-01) is a 5" CRT with electrostatic deflection that is used in the 511A after S/N 5100, the 512 after S/N 2525, and in the 524.

Tube Phosphor Part no.
5ABP1 P1 154-068 / 154-0068-00, -01
5ABP7 P7 154-069 / 154-0069-00
5ABP11 P11 154-070 / 154-0070-00, -01
5ABP31 P31 154-0068-03

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Used in

Some instruments using part 5ABP

Instrument Manufacturer Class Model Description Introduced
511A Tektronix Oscilloscope 511A 10 MHz Tube scope 1948
512 Tektronix Oscilloscope 512 Early 2 MHz scope 1948
524 Tektronix Oscilloscope 524AD TV waveform monitoring scope 1953

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