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Phaostron Instrument And Electronic Company  · Electronic Components

633-18593

Voltmeter — Test Instruments

Part Number633-18593
ManufacturerPhaostron Instrument And Electronic Company
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Meter Depth Behind Mounting Flange1.460 INCHES MAXIMUM
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Overall Diameter3.500 INCHES MAXIMUM
Power SourceEXTERNAL
Mounting Bolt Circle Diameter3.160 INCHES MAXIMUM
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mountin2.670 INCHES MAXIMUM
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Vendor Part Numbers3452-175
Cancelled NSN6625-01-025-5325 (cancelled)
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 633-18593 available?
We can source 633-18593 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 633-18593 by Phaostron Instrument And Electronic Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 633-18593 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 633-18593?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 633-18593?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.