Bird Electronic · Electronic Components
4220-091
Wattmeter — Test Instruments
Part Number4220-091
ManufacturerBird Electronic
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-232-7895 (NSN)
Federal Item NameWATTMETER
Federal Supply Class6625 — Test Instruments
Meter Depth Behind Mounting Flange1.405 INCHES MAXIMUM
Measurement Range+0.0 TO 50.0 WATTS SINGLE INDICATOR SECOND RANGE
Meter Body Diameter Behind Mountin2.800 INCHES MAXIMUM
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Features ProvidedKNIFE EDGE POINTER AND ZERO ADJUSTER
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S)
Circuit Attachment Method And Quan2 SOLDER LUG AND 2 THREADED STUD
Sensitivity Rating30.0 MICROAMPERES
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL
Vendor Part Numbers4220091, 458-0835-010
Cancelled NSN6625-00-630-6658 (cancelled)
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 4220-091 available?
We can source 4220-091 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 4220-091 by Bird Electronic obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4220-091 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 4220-091?
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 4220-091?
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.