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Navair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier · Electronic Components
637504
Relay, Electromagnetic
Part Number637504
ManufacturerNavair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-257-6942 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Width1.840 INCHES NOMINAL
Duty TypeCONTINUOUS
Winding Quantity1
Thread Class2B SINGLE MOUNTING FACILITY
Overall Height1.870 INCHES NOMINAL
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY
Nominal Operating Current Rating A4.0 MILLIAMPERES AC SINGLE WINDING
Frequency In Hertz60.0 NOMINAL
Winding Dc Resistance Rating3.3 KILOHMS NOMINAL SINGLE WINDING
Vendor Part NumbersA22626, 405-3300C1
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 637504 available?
We can source 637504 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 637504 by Navair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 637504 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 637504?
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 637504?
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.