Westinghouse Electric Corp. · Electronic Components
671B421A18
Voltmeter — Test Instruments
Part Number671B421A18
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-649-0012 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Scale Division Quantity45 SINGLE INDICATOR SINGLE RANGE
Overall Width4.688 INCHES NOMINAL
Sensitivity Rating200.0 OHMS PER VOLT
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mountin4.000 INCHES NOMINAL
Installation DesignPANEL
Style DesignatorRECTANGULAR FLUSH MTG
Mounting Facility Type And Quantit4 THREADED STUD(S)
Mounting Stud Diameter0.250 INCHES NOMINAL
Overall Height4.688 INCHES NOMINAL
Measurement Range+0.0 TO 450.0 VOLTS, DC SINGLE INDICATOR SINGLE 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 671B421A18 available?
We can source 671B421A18 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 671B421A18 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 671B421A18 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 671B421A18?
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 671B421A18?
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.