Caterpillar · Electronic Components
7B7589
Brush, Electrical Contact
Part Number7B7589
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-284-7789 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Thickness0.250 INCHES NOMINAL
Brush Shunt Length3.000 INCHES NOMINAL SINGLE SHUNT
Shunt Insulation Provision And Qua1 UNINSULATED
Terminal Type And Quantity1 STRAIGHT W/SLOT
Style DesignatorONE PIECE
Material Document And ClassificatiUNION CARBIDE CORP,CARBON PRODUCTS DIV,GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE
MaterialELECTROGRAPHITIC
Contact Face StyleFLAT
Body StyleRECTANGULAR COMMUTATOR
Width0.750 INCHES NOMINAL
Shunt Position Designator2
Vendor Part Numbers363316PC95
Cancelled NSN5977-00-552-9817 (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 7B7589 available?
We can source 7B7589 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 7B7589 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7B7589 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 7B7589?
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 7B7589?
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.