The part numbers are:
N123-020 Mounting, all functions except ND170, Contains the following:
(4) C603-897
(2) C603-256
(2) N523-021
(1) M504-271
N123-040 Mounting, ND170: Contains the following:
(2) L583-133
(1) N523-092
(1) A501-171
(1) M504-271
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