Northrop Grumman Systems Corporation · Electronic Components
581R686H01
Transformer, Power
Part Number581R686H01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-008-2486 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Mounting Hole Diameter0.111 INCHES MINIMUM AND 0.121 INCHES MAXIMUM SINGLE GROUP
Winding Operating Current38.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center To Center Distance Between1.165 INCHES MINIMUM AND 1.195 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Height1.240 INCHES NOMINAL
Maximum Operating Temp130.0 CELSIUS
Winding Operating Voltage387.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Overall Height1.415 INCHES MINIMUM AND 1.445 INCHES MAXIMUM
Body Width1.270 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length1.430 INCHES NOMINAL
Vendor Part Numbers15E387CT
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 581R686H01 available?
We can source 581R686H01 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 581R686H01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 581R686H01 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 581R686H01?
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 581R686H01?
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.