Westinghouse Electric · Electronic Components
A18C4428
Brush, Electrical Contact
Part NumberA18C4428
ManufacturerWestinghouse Electric
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-285-0939 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Largest Outside Diameter0.182 INCHES NOMINAL
Brush Shunt Length0.754 INCHES NOMINAL SINGLE SHUNT
Terminal Type And Quantity1 ROUND CAP W/EARS
Pressure Spring Type And Quantity1 CYLINDRICAL
Style DesignatorONE PIECE
Shunt Insulation Provision And Qua1 UNINSULATED
MaterialCARBON
Head Diameter0.157 INCHES NOMINAL
Width0.250 INCHES NOMINAL
Terminal Diameter0.303 INCHES NOMINAL
Material Document And ClassificatiCARBONE GRADE 417BFG MFR REF SINGLE MATERIAL RESPONSE
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 A18C4428 available?
We can source A18C4428 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 A18C4428 by Westinghouse Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A18C4428 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 A18C4428?
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 A18C4428?
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.