Lockheed Martin · Electronic Components
670644
Transformer, Power
Part Number670644
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-646-0655 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Center To Center Distance Between1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Voltage2.50 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Body Length2.500 INCHES MAXIMUM
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width2.312 INCHES MAXIMUM
Overall Height6.000 INCHES MAXIMUM
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current3.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Vendor Part NumbersPEI 6565
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 670644 available?
We can source 670644 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 670644 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 670644 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 670644?
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 670644?
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.