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Naval Air Warfare Center Aircraft Division, Lakehurst  · Electronic Components

1256-1

Relay, Electromagnetic

Part Number1256-1
ManufacturerNaval Air Warfare Center Aircraft Division, Lakehurst
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width2.886 INCHES MINIMUM AND 2.906 INCHES MAXIMUM
Center To Center Distance Between3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Coil Quantity1
Terminal Type And Quantity9 PIN ALL FUNCTIONS
Unthreaded Mounting Hole Diameter0.169 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height1.948 INCHES MINIMUM AND 1.968 INCHES MAXIMUM
Winding Quantity1
Fragility FactorMODERATELY RUGGED
Environmental ProtectionDUSTPROOF
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Vendor Part NumbersEB1, EB10, ER17A1, EB17A1
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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

Frequently asked

Is 1256-1 available?
We can source 1256-1 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 1256-1 by Naval Air Warfare Center Aircraft Division, Lakehurst obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1256-1 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 1256-1?
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 1256-1?
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.