American Precision Industries, Inc. · Electronic Components
SB678-9
Synchro, Transmitter
Part NumberSB678-9
ManufacturerAmerican Precision Industries, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-111-3614 (NSN)
Federal Item NameSYNCHRO,TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Shaft Tapered End Minor Diameter0.0775 INCHES NOMINAL SINGLE SHAFT
Shaft Hole Diameter0.0600 INCHES NOMINAL SINGLE SHAFT
Zro Resistance In Ohms1520.00 NOMINAL
Shaft Maximum Runout0.0010 INCHES
Shaft TypeROUND SINGLE SHAFT
Actuator Friction Torque At Minus6.00 CENTIMETER-GRAMS MAXIMUM
Shaft Length0.2000 INCHES NOMINAL SINGLE SHAFT
Terminal Type And Quantity5 WIRE LEAD
Maximum Total Null Voltage Output30.00
Rotor Dc Resistance In Ohms1150.00 NOMINAL
Pilot Diameter0.5000 INCHES NOMINAL
Vendor Part Numbers8IP101A3
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 SB678-9 available?
We can source SB678-9 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 SB678-9 by American Precision Industries, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SB678-9 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 SB678-9?
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 SB678-9?
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.