Hughes Corp. · Electronic Components
291B461A21
Ammeter — Test Instruments
Part Number291B461A21
ManufacturerHughes Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-167-9843 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Circuit Current For Which DesignedDC
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
FSC Application DataSWITCHBOARD,MAIN POWER PLANT
Style DesignatorRECTANGULAR FLUSH MTG
Installation DesignPANEL
Overall Width4.500 INCHES NOMINAL
Overall Height4.500 INCHES NOMINAL
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Center To Center Distance Between3.375 INCHES NOMINAL
Scale Division Quantity40 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Accuracy In Percent-1.0 TO 1.0 AT FULL SCALE 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 291B461A21 available?
We can source 291B461A21 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 291B461A21 by Hughes Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 291B461A21 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 291B461A21?
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 291B461A21?
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.