Phaostron Instrument and Electronic · Electronic Components
638-E416
Voltmeter — Test Instruments
Part Number638-E416
ManufacturerPhaostron Instrument and Electronic
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-133-4637 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Installation DesignPANEL
Overall Length2.060 INCHES NOMINAL
Style DesignatorROUND FLUSH MTG
Accuracy In Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mountin2.800 INCHES NOMINAL
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL
Measurement Range+0.0 TO 25.0 VOLTS, DC SINGLE INDICATOR SECOND RANGE
ColorUNABLE TO DECODE
Circuit Attachment Method And Quan2 THREADED STUD
Movement Suspension MethodJEWEL PIVOT BASE
Vendor Part NumbersC10749-1
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 638-E416 available?
We can source 638-E416 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 638-E416 by Phaostron Instrument and Electronic obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 638-E416 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 638-E416?
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 638-E416?
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.