Kearfott · Electronic Components
RS921-1C
Synchro, Receiver
Part NumberRS921-1C
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-519-6276 (NSN)
Federal Item NameSYNCHRO,RECEIVER
Federal Supply Class5990 — Synchros and Resolvers
Shaft Length0.3650 INCHES MINIMUM AND 0.3880 INCHES MAXIMUM SINGLE SHAFT
Shaft Slot Depth0.0300 INCHES NOMINAL SINGLE SHAFT
Terminal LocationREAR
Zso Impedance Magnitude In Ohms18.10 NOMINAL
Frequency In Hertz400.0 NOMINAL
Fragility FactorMODERATELY RUGGED
Stator Dc Resistance In Ohms3.00 NOMINAL
Overall Length2.1600 INCHES MINIMUM AND 2.1840 INCHES MAXIMUM
Pilot Diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM
Shoulder Diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
Body StyleSTANDARD ROUND C
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 RS921-1C available?
We can source RS921-1C 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 RS921-1C by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS921-1C 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 RS921-1C?
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 RS921-1C?
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.