Kearfott · Electronic Components
R220-1A
Synchro, Receiver
Part NumberR220-1A
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-504-8277 (NSN)
Federal Item NameSYNCHRO,RECEIVER
Federal Supply Class5990 — Synchros and Resolvers
Overall Length2.1210 INCHES NOMINAL
Undercut Width0.0620 INCHES NOMINAL
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
Body StyleSTANDARD ROUND B
Flange Diameter1.0570 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM
Flange Thickness0.0620 INCHES NOMINAL
Shoulder Diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
Maximum Temp Rise5.0 CELSIUS
Mounting Surface To Terminal End D1.7390 INCHES MAXIMUM
Rotor Dc Resistance In Ohms28.50 NOMINAL
Stator Dc Resistance In Ohms11.00 NOMINAL
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 R220-1A available?
We can source R220-1A 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 R220-1A by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R220-1A 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 R220-1A?
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 R220-1A?
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.