Lockheed Martin Corporation · Electronic Components
646820
Transformer, Power
Part Number646820
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-648-5963 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Length6.875 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Center To Center Distance Between1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Width5.438 INCHES NOMINAL
Terminal Type And Quantity4 THREADED STUD AND 10 STANDOFF, SOLDER LUG
Inclosure TypeOPEN
Body Height4.938 INCHES NOMINAL
Mounting Facility Quantity6 SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating195.0 HERTZ NOMINAL SINGLE COMPONENT
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 646820 available?
We can source 646820 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 646820 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 646820 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 646820?
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 646820?
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.