Hamilton Sundstrand · Electronic Components
905D977-4
Regulator, Voltage
Part Number905D977-4
ManufacturerHamilton Sundstrand
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-00-852-0683 (NSN)
Federal Item NameREGULATOR,VOLTAGE
Federal Supply Class6110 — Electrical Control Equipment
Overall Width6.125 INCHES NOMINAL
Overall Height5.125 INCHES NOMINAL
Compensation ProvidedDIFFERENTIAL CROSS CURRENT
Operating Temp Range-55.0 TO 71.0 CELSIUS
Mounting MethodTHREADED HOLE(S) OR UNTHREADED HOLE(S)
Input Current TypeAC
Input Frequency Rating In Hertz380.0 MINIMUM AND 420.0 MAXIMUM
Power Rating40.0 KILOWATTS NOMINAL
Electronic Device TypeSOLID STATE
Enclosure FeatureCARD CAGE
Input Voltage Rating In Volts208.0 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 905D977-4 available?
We can source 905D977-4 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 905D977-4 by Hamilton Sundstrand obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 905D977-4 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 905D977-4?
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 905D977-4?
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.