Russtech Engineering Co., Inc. · Electronic Components
R-490
Terminal Junction Block, Sectiona
Part NumberR-490
ManufacturerRusstech Engineering Co., Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-01-417-6033 (NSN)
Federal Item NameTERMINAL JUNCTION BLOCK,SECTIONA
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Environmental ProtectionHUMIDITY RESISTANT
Terminal DesignTERMINATING
Pole Quantity2
Block TypeREGULAR
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 R-490 available?
We can source R-490 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 R-490 by Russtech Engineering Co., Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R-490 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 R-490?
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 R-490?
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.