Northrop Grumman Systems Corporation · Electronic Components
51D1220
Coil, Radio Frequency
Part Number51D1220
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-237-1437 (NSN)
Federal Item NameCOIL,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Coil Form TypeHOLLOW SINGLE COMPONENT
Body Length2.750 INCHES NOMINAL
Overall Height0.531 INCHES NOMINAL
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Turn Quantity34 SINGLE COMPONENT SINGLE WINDING
Overall Width1.625 INCHES NOMINAL
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity2 CONNECTOR, RECEPTACLE
Adjustment Method And Quantity1 ADJUSTABLE CAPACITOR SINGLE COMPONENT
Inclosure TypeOPEN
Cancelled NSN5820-00-627-7935 (cancelled)
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 51D1220 available?
We can source 51D1220 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 51D1220 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 51D1220 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 51D1220?
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 51D1220?
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.