Eaton · Electronic Components
MS21437-B331
Part NumberMS21437-B331
ManufacturerEaton
AvailabilityIn stock — ships fast
Specifications
NSN5930-01-387-7767 (NSN)
Federal Item NameSWITCH,TOGGLE
Terminals6 TAB, SOLDER LUG
Mounting MethodTHREADED BUSHING
Body StyleBUSHING MOUNT
Body Height0.706 INCHES MAXIMUM
Body Width0.556 INCHES MAXIMUM
Bushing Length0.469 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Body Length0.572 INCHES MAXIMUM
Actuator Height1.102 INCHES NOMINAL
Actuator Diameter0.430 INCHES MAXIMUM
Federal Supply Class5930 — Switches
Terminal Type And Quantity6 TAB, SOLDER LUG
Contact Load Current Rating At Max2.000 AMPERES RESISTIVE AC AND 5.000 AMPERES RESISTIVE DC
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 MS21437-B331 in stock?
Yes — MS21437-B331 is in our stock database. Request a quote for current pricing and lead time.
Is MS21437-B331 by Eaton obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21437-B331 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 MS21437-B331?
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 MS21437-B331?
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.