● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Jewell Instruments LLC  · Electronic Components

4951-540

Voltmeter — Test Instruments

Part Number4951-540
ManufacturerJewell Instruments LLC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Overall Width4.420 INCHES MAXIMUM
Overall Height4.420 INCHES MAXIMUM
Style DesignatorRECTANGULAR FLUSH MTG
Measurement Range+5.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
FSC Application DataTEST SET,ELECT. EQUIP.
Nuclear Hardness Critical FeatureNONHARDENED
Movement Suspension MethodJEWEL PIVOT BASE
Movement TypeMOVING COIL, PERMANENT MAGNET
MaterialPLASTIC
Features ProvidedZERO ADJUSTER
Vendor Part Numbers68A-75-C33-1
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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 4951-540 available?
We can source 4951-540 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 4951-540 by Jewell Instruments LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4951-540 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 4951-540?
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 4951-540?
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.