Leach International · Electronic Components
81AA3
Relay, Electromagnetic
Part Number81AA3
ManufacturerLeach International
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-553-9583 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Thread Class2A SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin115.0 AC AND 29.0 DC
Environmental ProtectionHERMETIC
Overall Width1.440 INCHES MAXIMUM
Terminal Type And Quantity6 PIN ALL FUNCTIONS
Angle Between Adjacent Mounting Fa120.0 DEGREES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Duty TypeCONTINUOUS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Height2.470 INCHES MAXIMUM
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 81AA3 available?
We can source 81AA3 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 81AA3 by Leach International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 81AA3 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 81AA3?
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 81AA3?
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.