Electric Regulator Corp. · Electronic Components
12921AX
Regulator, Voltage
Part Number12921AX
ManufacturerElectric Regulator Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-01-056-4964 (NSN)
Federal Item NameREGULATOR,VOLTAGE
Federal Supply Class6110 — Electrical Control Equipment
Center To Center Distance Between4.375 INCHES NOMINAL AND 4.500 INCHES NOMINAL
Input Frequency Rating In Hertz60.0 NOMINAL
Electronic Device TypeSOLID STATE
Input Current TypeAC
Operating Temp Rise Above Ambient50.0 CELSIUS
Mounting MethodUNTHREADED HOLE(S)
Input PhaseSINGLE
Mounting Hole Diameter0.187 INCHES NOMINAL
Circuit TypeSERIES
Overall Width5.000 INCHES NOMINAL
Regulation MethodELECTRONIC
Vendor Part NumbersD22854
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 12921AX available?
We can source 12921AX 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 12921AX by Electric Regulator Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12921AX 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 12921AX?
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 12921AX?
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.