Nkk Switches Of America Inc. · Electronic Components
AT4043
Boot, Dust And Moisture Seal
Part NumberAT4043
ManufacturerNkk Switches Of America Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-406-7925 (NSN)
Federal Item NameBOOT,DUST AND MOISTURE SEAL
Federal Supply Class5930 — Switches
Overall Height0.421 INCHES NOMINAL
MaterialRUBBER SILICONE BODY
Style DesignatorTHRU-HOLE
Opening Inside Diameter0.378 INCHES NOMINAL
Base Outside Diameter0.709 INCHES NOMINAL
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 AT4043 available?
We can source AT4043 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 AT4043 by Nkk Switches Of America Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AT4043 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 AT4043?
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 AT4043?
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.