Hughes · Electronic Components
291B710A21
Ammeter — Test Instruments
Part Number291B710A21
ManufacturerHughes
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-356-7520 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Overall Height7.250 INCHES NOMINAL
Overall Length9.000 INCHES NOMINAL
Accuracy In Percent-0.5 TO 0.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Frequency Response Range+20.000 TO 350.000 HERTZ
Circuit Current For Which DesignedAC
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Overall Width3.750 INCHES NOMINAL
MaterialPLASTIC
Furnished Items And QuantityCASE 1
Circuit Attachment Method And Quan2 CONNECTOR, RECEPTACLE
Vendor Part Numbers1008499
Cancelled NSN6625-00-985-5251 (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 291B710A21 available?
We can source 291B710A21 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 291B710A21 by Hughes obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 291B710A21 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 291B710A21?
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 291B710A21?
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.