Honeywell Intl Inc. Defense Avionics Systems Former Test Systems Div · Electronic Components
QB87977-3
Ammeter — Test Instruments
Part NumberQB87977-3
ManufacturerHoneywell Intl Inc. Defense Avionics Systems Former Test Systems Div
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-994-9222 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Circuit Current For Which DesignedDC
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Diameter Behind Mountin2.800 INCHES NOMINAL
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S)
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL
Installation DesignPANEL
Meter Depth Behind Mounting Flange2.438 INCHES NOMINAL
Measurement Range-500.0 TO 500.0 MICROAMPERES, DC SINGLE INDICATOR FIRST RANGE
Overall Diameter3.510 INCHES NOMINAL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
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 QB87977-3 available?
We can source QB87977-3 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 QB87977-3 by Honeywell Intl Inc. Defense Avionics Systems Former Test Systems Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QB87977-3 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 QB87977-3?
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 QB87977-3?
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.