Lockheed Martin Corporation · Electronic Components
661711
Transformer, Audio Frequency
Part Number661711
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-487-7909 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENTINTERNAL SHIELD GROUNDED TO CORE AND BROUGH
Reliability IndicatorNOT ESTABLISHEDNOT ESTABLISHED
Body Length1.562 INCHES MAXIMUM1.562 INCHES MAXIMUM
Body Height2.000 INCHES MAXIMUM2.000 INCHES MAXIMUM
Winding Function And Quantity1 PRIMARY AND 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT1 SECONDARY SINGLE COMPONENT
Overall Height2.516 INCHES MAXIMUM
Terminal Type And Quantity6 WIRE HOOK6 WIRE HOOK
Inclosure TypeFULLY INCLOSEDFULLY INCLOSED
Nominal Thread Size0.138 INCHES SINGLE GROUP0.138 INCHES SINGLE GROUP
Impedance Rating In Ohms587.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY587.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Distance Between Mounting Facility1.343 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Vendor Part Numbers661711N
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 661711 available?
We can source 661711 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 661711 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 661711 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 661711?
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 661711?
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.