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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
BC638A
Ammeter — Test Instruments
Part NumberBC638A
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-352-0032 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Operating Voltage Rating In Volts110.0 AC MINIMUM AND 250.0 AC MAXIMUM
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Accuracy RatingPORM 1 PCT SINGLE INDICATOR SINGLE RANGE
Overall Length19.000 INCHES NOMINAL
Circuit Current For Which DesignedAC
PhaseSINGLE
Installation DesignRACK
Overall Width11.500 INCHES NOMINAL
Frequency Response Range+100.0 TO 156.0 MEGAHERTZ
Overall Height7.000 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 BC638A available?
We can source BC638A 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 BC638A by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BC638A 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 BC638A?
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 BC638A?
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.