Reliance Comm/Tec Corp. Lorain Products Div · Electronic Components
42K
Element, Thermal Ove
Part Number42K
ManufacturerReliance Comm/Tec Corp. Lorain Products Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-521-0142 (NSN)
Federal Item NameELEMENT,THERMAL OVE
Federal Supply Class5925 — Circuit Breakers
Vendor Part Numbers42KB42227, 210136-000
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 42K available?
We can source 42K 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 42K by Reliance Comm/Tec Corp. Lorain Products Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 42K 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 42K?
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 42K?
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.