Freed Transformer · Electronic Components
43902
Transformer, Audio Frequency
Part Number43902
ManufacturerFreed Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-151-7891 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Cancelled NSN5950-00-086-6565 (cancelled)
Throw Quantity4 EACH SECTION REAR
Terminal TypeTAB, SOLDER LUG
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonturn Device TypeTAB AT 10:30 OCLOCK
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Shaft TypeROUND SINGLE ACTUATOR
Overall Diameter1.938 INCHES NOMINAL
Pole Quantity1 FIRST SECTION REAR
Overall Length3.469 INCHES NOMINAL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Vendor Part Numbers41937-H2C, 41937-DH2C
Flat Height0.218 INCHES NOMINAL SINGLE ACTUATOR
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Rotor Through Connection Quantity1 SINGLE SECTION
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
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 43902 available?
We can source 43902 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 43902 by Freed Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 43902 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 43902?
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 43902?
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.