SAE International · Electronic Components
M20708/21-02D
Synchro, Control Transformer
Part NumberM20708/21-02D
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-254-4825 (NSN)
Federal Item NameSYNCHRO,CONTROL TRANSFORMER
Federal Supply Class5990 — Synchros and Resolvers
Maximum Fundamental Null Voltage I45.00 OUTPUT
Pilot Length0.0400 INCHES NOMINAL
Shaft Slot Depth0.0250 INCHES NOMINAL SINGLE SHAFT
Test Data Document81349-MIL-S-20708 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Stator Input Current Rating13.0 MILLIAMPERES NOMINAL
Shaft Slot Width0.0200 INCHES NOMINAL SINGLE SHAFT
Alignment Hole Bolt Circle Diamete1.0970 INCHES MINIMUM AND 1.1030 INCHES MAXIMUM
Shaft Diameter0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
Zrs Impedance Magnitude In Ohms13.00 MINIMUM AND 18.00 MAXIMUM
Shaft Length0.5450 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM SINGLE SHAFT
Shaft TypeROUND, SLOTTED SINGLE SHAFT
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 M20708/21-02D available?
We can source M20708/21-02D 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 M20708/21-02D by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M20708/21-02D 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 M20708/21-02D?
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 M20708/21-02D?
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.