Kearfott · Electronic Components
RS911-021
Synchro, Transmitter
Part NumberRS911-021
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-809-5286 (NSN)
Federal Item NameSYNCHRO,TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Body StyleSTANDARD ROUND C
Undercut Width0.0500 INCHES NOMINAL
Flange Diameter1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM
Undercut Diameter0.9750 INCHES NOMINAL
Flange Thickness0.0930 INCHES NOMINAL
Shoulder Diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
Pilot Diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM
Overall Length2.2020 INCHES NOMINAL
Length0.0620 INCHES NOMINAL SHOULDER
Shaft TypeROUND, SLOTTED BOTH SHAFTS
Shaft Diameter0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM BOTH SHAFTS
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 RS911-021 available?
We can source RS911-021 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 RS911-021 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS911-021 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 RS911-021?
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 RS911-021?
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.