Horizon Aerospace · Electronic Components
WM12
Ammeter — Test Instruments
Part NumberWM12
ManufacturerHorizon Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-539-9163 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Meter Depth Behind Mounting Flange0.980 INCHES NOMINAL
Movement TypeMOVING COIL, PERMANENT MAGNET
Panel For Which DesignedNONMAGNETIC
Style DesignatorROUND FLUSH MTG
Meter Body Diameter Behind Mountin2.060 INCHES NOMINAL
Sensitivity Rating50.0 MILLIVOLTS
Indicator TypeDIAL W/POINTER
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Hole Diameter0.125 INCHES NOMINAL
Installation DesignPANEL
Vendor Part Numbers506RD0-5MADC
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 WM12 available?
We can source WM12 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 WM12 by Horizon Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WM12 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 WM12?
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 WM12?
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.