Nautel Maine · Electronic Components
MA21
Ammeter — Test Instruments
Part NumberMA21
ManufacturerNautel Maine
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-185-7681 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Meter Body Diameter Behind Mountin2.125 INCHES NOMINAL
Mounting Arrangement StyleTWO HOLE/STUD
Indicator TypeDIAL W/POINTER
Overall Height2.688 INCHES NOMINAL
Style DesignatorRECTANGULAR FLUSH MTG
Measurement Range-0.0 TO 10.0 AMPERES, RF SINGLE INDICATOR SECOND RANGE
Meter Depth Behind Mounting Flange1.312 INCHES NOMINAL
Movement TypeMOVING MAGNET
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Accuracy In Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Mounting Stud Length0.641 INCHES NOMINAL
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 MA21 available?
We can source MA21 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 MA21 by Nautel Maine obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MA21 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 MA21?
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 MA21?
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.