Phaostron Instrument and Electronic · Electronic Components
728-E258A
Ammeter — Test Instruments
Part Number728-E258A
ManufacturerPhaostron Instrument and Electronic
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-133-2473 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
ColorUNABLE TO DECODE
Sensitivity Rating1000.0 OHMS PER VOLT
Style DesignatorROUND FLUSH MTG
MaterialSTEEL
Meter Depth Behind Mounting Flange2.700 INCHES NOMINAL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy In Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Features ProvidedPORTABLE
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 350.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Circuit Current For Which DesignedAC
Vendor Part NumbersGM805JH2
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 728-E258A available?
We can source 728-E258A 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 728-E258A by Phaostron Instrument and Electronic obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 728-E258A 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 728-E258A?
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 728-E258A?
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.