Meggitt (New Hampshire), Inc. · Electronic Components
B2039
Relay, Thermal
Part NumberB2039
ManufacturerMeggitt (New Hampshire), Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-502-5808 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Contact Maximum Voltage Rating In450.0 AC
Heater Power Rating In Watts5.0
Contact Maximum Current Rating In3.0 AC
Delay Time In Seconds180.0 FIXED OPERATE NOMINAL AND 40.0 FIXED RELEASE NOMINAL
Heater Voltage Rating In Volts6.3
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Overall Length3.250 INCHES NOMINAL
Mounting Facility Type And Quantit1 OCTAL BASE PLUG-IN
Overall Diameter1.275 INCHES NOMINAL
Environmental ProtectionHERMETIC
Terminal Type And Quantity4 PIN
Vendor Part Numbers501M65, 7618835P79
Cancelled NSN5945-00-603-9274 (cancelled)
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 B2039 available?
We can source B2039 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 B2039 by Meggitt (New Hampshire), Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B2039 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 B2039?
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 B2039?
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.