Caterpillar · Electronic Components
9B8409
Brush, Electrical Contact
Part Number9B8409
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-252-6530 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Body StyleCYLINDRICAL
Largest Outside Diameter0.172 INCHES NOMINAL
Length0.594 INCHES NOMINAL
Contact Face StyleFLAT
Terminal Type And Quantity1 ROUND CAP
Style DesignatorONE PIECE
Spring Free Length0.750 INCHES NOMINAL
Diameter0.188 INCHES NOMINAL
MaterialCARBON
Pressure Spring Type And Quantity1 CYLINDRICAL
Shunt Insulation Provision And Qua1 UNINSULATED
Cancelled NSN5977-00-496-4600 (cancelled)
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 9B8409 available?
We can source 9B8409 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 9B8409 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9B8409 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 9B8409?
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 9B8409?
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.