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Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier · Electronic Components
642AS0448-3
Relay, Electromagnetic
Part Number642AS0448-3
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-205-3534 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length1.280 INCHES MAXIMUM
Coil Quantity1
Terminal Type And Quantity3 WIRE HOOK DUMMY
Center To Center Distance Between1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY
Winding Quantity1
Overall Width0.410 INCHES MAXIMUM
Time Delay0.05 SECONDS MINIMUM AND 0.50 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC AND HUMIDITY RESISTANT AND SALT SPRAY RESISTANT AND VIBRATION RESISTANT AND SHOCK RESISTANT
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Vendor Part NumbersTDH-1740-5000, 72B039021-1025
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 642AS0448-3 available?
We can source 642AS0448-3 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 642AS0448-3 by Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 642AS0448-3 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 642AS0448-3?
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 642AS0448-3?
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.