Kearfott · Electronic Components
U991-001
Synchro, Control Transformer
Part NumberU991-001
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-705-4349 (NSN)
Federal Item NameSYNCHRO,CONTROL TRANSFORMER
Federal Supply Class5990 — Synchros and Resolvers
Stator Input Current Rating86.0 MILLIAMPERES NOMINAL
Zro Impedance Angle In Deg78.00 NOMINAL
Stator Input Electrical Power Rati1.0 WATTS NOMINAL
Zso Impedance Angle In Deg75.00 NOMINAL
Pilot Length0.0620 INCHES NOMINAL
Shaft Length0.5860 INCHES NOMINAL FRONT SHAFT
Terminal Type And Quantity5 WIRE LEAD
Shaft Diameter0.1200 INCHES NOMINAL REAR SHAFT
Shaft TypeROUND FRONT SHAFT
Actuator Friction Torque At Plus 28.0 CENTIMETER-GRAMS NOMINAL
Shaft Hole Diameter0.0625 INCHES NOMINAL REAR SHAFT
Vendor Part NumbersU991-001-0
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 U991-001 available?
We can source U991-001 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 U991-001 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If U991-001 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 U991-001?
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 U991-001?
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.