Horizon Aerospace · Electronic Components
4V25
Voltmeter — Test Instruments
Part Number4V25
ManufacturerHorizon Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-720-3137 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Installation DesignPANEL
Circuit Current For Which DesignedDC
Overall Length2.470 INCHES NOMINAL
Overall Height4.500 INCHES NOMINAL
Circuit Attachment Method And Quan2 SOLDER LUG
Special MarkingsRED LINE AT 28.5V RESISTANCE THERMOMETER,THERMOCOUPLE THERMOMETER,ADJUST TO RED LINE 9002AK
Measurement Range+0.0 TO 28.5 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy In Percent-0.2 TO 0.2 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Style DesignatorROUND FLUSH MTG W/4 TABS
ColorUNABLE TO DECODE
Cancelled NSN6625-00-650-1847 (cancelled)
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 4V25 available?
We can source 4V25 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 4V25 by Horizon Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4V25 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 4V25?
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 4V25?
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.