NAVAIR/NAVSEA Design Activity · Electronic Components
2133555-4
Relay, Electromagnetic
Part Number2133555-4
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-843-4476 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Duty TypeCONTINUOUS
Mounting Facility Type And Quantit2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Nominal Operating Current Rating A9.0 MILLIAMPERES AC SINGLE WINDING
Coil Quantity1
Center To Center Distance Between1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Vendor Part Numbers632377-4
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 2133555-4 available?
We can source 2133555-4 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 2133555-4 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2133555-4 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 2133555-4?
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 2133555-4?
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.