Automatic Switch · Electronic Components
27-478-3
Coil, Electrical
Part Number27-478-3
ManufacturerAutomatic Switch
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-645-6587 (NSN)
Federal Item NameCOIL,ELECTRICAL
Federal Supply Class5950 — Coils and Transformers
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity1 SINGLE GROUP
Terminal Type And Quantity2 WIRE LEAD
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE WINDING
Dc Resistance Rating In Ohms6.200 SINGLE COMPONENT SINGLE WINDING
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Turn Quantity1200 SINGLE COMPONENT SINGLE WINDING
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Body Length2.688 INCHES NOMINAL
Mounting Hole Diameter1.000 INCHES NOMINAL SINGLE GROUP
Vendor Part Numbers27-478-3D
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 27-478-3 available?
We can source 27-478-3 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 27-478-3 by Automatic Switch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 27-478-3 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 27-478-3?
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 27-478-3?
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.