Marathonnorco Aerospace · Electronic Components
22420-3
Voltmeter — Test Instruments
Part Number22420-3
ManufacturerMarathonnorco Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-930-3826 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Overall Length1.990 INCHES NOMINAL
MaterialPLASTIC
Features ProvidedMAGNETIC SHIELD
Nuclear Hardness Critical FeatureNONHARDENED
Meter Depth Behind Mounting Flange1.010 INCHES NOMINAL
Circuit Attachment Method And Quan2 THREADED STUD
Power SourceEXTERNAL
Meter Body Diameter Behind Mountin2.220 INCHES NOMINAL
Style DesignatorFAN SHAPE FLUSH MTG
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S)
Overall Width2.730 INCHES NOMINAL
ProducttraceabilityNo
RohscompliantYES
External Depth15 mm
Temperature Measuring Range-50°C to +70°C
Product Range-
IscanonicalY
External Height63 mm
Hazardousfalse
RohsphthalatescompliantYES
External Width63 mm
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 22420-3 available?
We can source 22420-3 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 22420-3 by Marathonnorco Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 22420-3 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 22420-3?
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 22420-3?
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.