{Collins} crystal filter

["Bruce Makas" <k1my@xxxxxxx>]

The manual for the 75S3B/C calls out: 
X455Q200 / 526-7677-00
as the 200 Hz crystal filter

I see on E Bay a:
X455KQ200 / 526-7677-001 filter

Are these interchangeable?

73, Bruce K1MY


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