Northrop Grumman Systems · Electronic Components
20A2603-1
Reactor — Coils and Transformers
Part Number20A2603-1
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-298-2026 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Nominal Thread Size0.112 INCHES SINGLE GROUP
Body Height1.000 INCHES MAXIMUM
Dc Resistance Rating In Ohms0.010 SINGLE COMPONENT SINGLE WINDING
Winding Operating Current20.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center To Center Distance Between1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Terminal Type And Quantity2 WIRE LEAD
Winding Quantity1 SINGLE COMPONENT
Vendor Part NumbersWE1321AM
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 20A2603-1 available?
We can source 20A2603-1 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 20A2603-1 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20A2603-1 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 20A2603-1?
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 20A2603-1?
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.