Kearfott · Electronic Components
R502-1A
Synchro, Control Transformer
Part NumberR502-1A
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-850-8206 (NSN)
Federal Item NameSYNCHRO,CONTROL TRANSFORMER
Federal Supply Class5990 — Synchros and Resolvers
Stator Input Current Rating86.0 MILLIAMPERES NOMINAL
Terminal Type And Quantity5 SCREW
Transformation Ratio2.203 ROTOR TO STATOR NOMINAL
Maximum Fundamental Null Voltage I20.00 OUTPUT
Phase Shift Angle In Deg4.000 OUTPUT TO INPUT NOMINAL
Zso Impedance Magnitude In Ohms135.00 NOMINAL
Alignment Hole Bolt Circle Diamete0.8120 INCHES NOMINAL
Body Size11
Pilot Length0.0620 INCHES NOMINAL
Terminal LocationREAR
Alignment Hole Depth0.0990 INCHES MINIMUM
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 R502-1A available?
We can source R502-1A 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 R502-1A by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R502-1A 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 R502-1A?
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 R502-1A?
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.