Mine Safety Appliances · Electronic Components
457850
Top Case — Lugs, Terminals, and Terminal Strips
Part Number457850
ManufacturerMine Safety Appliances
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-01-491-4388 (NSN)
Federal Item NameTOP CASE
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
ESD/EMICode A — ESD/EMI sensitive item
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 457850 available?
We can source 457850 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 457850 by Mine Safety Appliances obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 457850 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 457850?
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 457850?
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.