Phaostron Instrument and Electronic · Electronic Components
631-16188
Voltmeter — Test Instruments
Part Number631-16188
ManufacturerPhaostron Instrument and Electronic
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-643-1744 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Reliability IndicatorNOT ESTABLISHED
Meter Depth Behind Mounting Flange2.875 INCHES MAXIMUM
Indicator TypeDIAL W/POINTER
Overall Length3.275 INCHES MAXIMUM
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S)
Sensitivity Rating300.0 OHMS PER VOLT
Scale Selection MethodTERMINAL
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Diameter Behind Mountin2.800 INCHES NOMINAL
Measurement Range+0.0 TO 350.0 VOLTS, DC SINGLE INDICATOR THIRD RANGE
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 631-16188 available?
We can source 631-16188 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 631-16188 by Phaostron Instrument and Electronic obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 631-16188 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 631-16188?
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 631-16188?
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.