Bird Electronic · Electronic Components
4421-103
Wattmeter — Test Instruments
Part Number4421-103
ManufacturerBird Electronic
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-425-9774 (NSN)
Federal Item NameWATTMETER
Federal Supply Class6625 — Test Instruments
Measurement Range+1.0 TO 199.9 VOLTS, STANDING WAVE RATIO SINGLE INDICATOR SINGLE RANGE
Style DesignatorPORTABLE W/TILT VIEW HANDLE
Accuracy RatingPORM 3 PCT OF READING SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method And Quan2 CONNECTOR, PLUG
PhaseSINGLE
Frequency Response Range+50.000 TO 60.000 HERTZ
Features ProvidedPORTABLE
Overall Width12.281 INCHES NOMINAL
Overall Depth4.250 INCHES NOMINAL
Display Digit Quantity3-1/2
Display ColorRED SINGLE INDICATOR SINGLE RANGE
ESD/EMICode A — ESD/EMI sensitive item
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 4421-103 available?
We can source 4421-103 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 4421-103 by Bird Electronic obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4421-103 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 4421-103?
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 4421-103?
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.