Ranked by the number of enquiries we received in the last 30 days. A high count usually means the part is failing in the field or going out of support — worth stocking before you need it.
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Bently Nevada 3500/77M 176449-07 is a Bently Nevada 3500/77M four-channel reciprocating-compressor cylinder pressure monitor identified by spare part 176449-07.
ABB INICT13A is an INFI-NET-to-computer communication-transfer module used with the INNIS21 network-interface module in the Symphony INFI 90 architecture.
General Electric IS200TREGH1B is a Mark VI emergency trip terminal board that hardware-votes VPRO trip signals and interfaces with turbine trip-solenoid circuits.
General Electric IS200TRLYH1B is a Mark VI relay output terminal board that connects VCCC or VCRC I/O channels with customer-powered relay and solenoid circuits.
General Electric IS200TSVOH1B is a Mark VI servo terminal board interfacing valve actuators, LVDT feedback, pulse-rate sensors, and VSVO control channels.
General Electric IS200TTURH1B is a Mark VI turbine terminal board that interfaces shaft-speed, generator-voltage, breaker, and turbine-protection circuits with the VTUR I/O board.
This ranking comes from our own enquiry log, not from page views. When the same part number arrives from several unrelated plants in the same month, it is usually one of two things: a component reaching the end of its service life across an installed base, or a system that has just gone out of manufacturer support.
Either way it is a signal worth acting on. Parts that trend here tend to get harder to find over the following quarters, and prices move with scarcity rather than with a list.
If something you run appears on this page, it is worth holding a spare now. Ask your account manager to review your installed base against this list — we do it free for existing customers.