Meggitt (New Hampshire), Inc. · Electronic Components
B1931
Relay, Thermal
Part NumberB1931
ManufacturerMeggitt (New Hampshire), Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-259-4383 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Delay Time In Seconds20.0 FIXED OPERATE NOMINAL
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
Overall Length3.750 INCHES NOMINAL
Heater Voltage Rating In Volts26.5
Overall Diameter1.275 INCHES NOMINAL
Contact Maximum Current Rating In3.0 DC
Contact Maximum Voltage Rating In26.5 DC
Mounting Facility Type And Quantit1 OCTAL BASE PLUG-IN
Terminal Type And Quantity4 PIN
Environmental ProtectionHERMETIC
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 B1931 available?
We can source B1931 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 B1931 by Meggitt (New Hampshire), Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B1931 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 B1931?
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 B1931?
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.