Moog · Electronic Components
CTH-8-HG-4/L091
Synchro, Control Transformer
Part NumberCTH-8-HG-4/L091
ManufacturerMoog
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-01-148-3324 (NSN)
Federal Item NameSYNCHRO,CONTROL TRANSFORMER
Federal Supply Class5990 — Synchros and Resolvers
Body StyleSTANDARD ROUND A
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
Undercut Diameter0.6880 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM
Flange Diameter0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
Undercut Width0.6100 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM
Flange Thickness0.6100 INCHES MINIMUM AND 0.6630 INCHES MAXIMUM
Overall Length1.7240 INCHES NOMINAL
Mounting Surface To Terminal End D1.2410 INCHES MAXIMUM
Fragility FactorMODERATELY RUGGED
Plus J Zso Reactance In Ohms330.00 NOMINAL
Stator Dc Resistance In Ohms64.00 NOMINAL
Vendor Part Numbers990021-1C
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 CTH-8-HG-4/L091 available?
We can source CTH-8-HG-4/L091 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 CTH-8-HG-4/L091 by Moog obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CTH-8-HG-4/L091 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 CTH-8-HG-4/L091?
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 CTH-8-HG-4/L091?
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.