Ametek · Electronic Components
300R-1239
Voltmeter — Test Instruments
Part Number300R-1239
ManufacturerAmetek
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-320-9766 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Furnished Items And QuantityNUT 7; WASHER 7
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Scale Division Quantity50 SINGLE INDICATOR ALL RANGES
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Overall Diameter3.487 INCHES NOMINAL
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SECOND RANGE
Accuracy In Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Sensitivity Rating1.0 MILLIAMPERES
Meter Depth Behind Mounting Flange1.500 INCHES NOMINAL
Indicator TypeDIAL W/POINTER
Vendor Part NumbersMK777-173
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 300R-1239 available?
We can source 300R-1239 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 300R-1239 by Ametek obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 300R-1239 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 300R-1239?
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 300R-1239?
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.