Drs Advanced Isr, LLC · Electronic Components
18477-503
Switch, Code Indicating Wheel
Part Number18477-503
ManufacturerDrs Advanced Isr, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-228-3064 (NSN)
Federal Item NameSWITCH,CODE INDICATING WHEEL
Federal Supply Class5930 — Switches
Overall Width1.350 INCHES NOMINAL
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Unthreaded Mounting Hole Diameter0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY
Operating Temp Range-65.0 TO 85.0 CELSIUS
Terminal TypeWIRE LEAD
Precious Material And LocationCIRCUIT BOARD SURFACES GOLD
Longest Vertical Distance Between0.900 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Arrangement Truth TableBCD WITH COMPLEMENT, 2 POLE - 8 POSITIONS EACH SECTION
Longest Horizontal Distance Betwee1.590 INCHES NOMINAL SINGLE MOUNTING FACILITY
Actuator TypeTHUMBWHEEL ALL ACTUATORS
Individual Section Quantity2
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 18477-503 available?
We can source 18477-503 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 18477-503 by Drs Advanced Isr, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18477-503 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 18477-503?
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 18477-503?
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.