Bowmar LLC · Electronic Components
55121
Synchro, Transmitter
Part Number55121
ManufacturerBowmar LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-922-4896 (NSN)
Federal Item NameSYNCHRO,TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Overall Length1.7820 INCHES MINIMUM AND 1.8580 INCHES MAXIMUM
Flange Thickness0.0620 INCHES NOMINAL
Body StyleSTANDARD ROUND A
Undercut Width0.0620 INCHES NOMINAL
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
Undercut Diameter0.6880 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM
Flange Diameter0.7470 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
Body Size8
Zso Resistance In Ohms9.00 NOMINAL
Terminal Type And Quantity5 WIRE LEAD
Mounting Surface To Terminal End D1.2910 INCHES MINIMUM AND 1.3430 INCHES MAXIMUM
Vendor Part NumbersCM41014018, 4273-45-01, AY080VG97A1
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 55121 available?
We can source 55121 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 55121 by Bowmar LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 55121 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 55121?
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 55121?
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.