Federal Signal · Electronic Components
K8442A028
Brush, Electrical Contact
Part NumberK8442A028
ManufacturerFederal Signal
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-078-8570 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Pressure Spring Type And Quantity1 CYLINDRICAL
Spring Free Length1.362 INCHES NOMINAL
Thickness0.250 INCHES NOMINAL
Terminal Type And Quantity1 ROUND CAP
Shunt Position Designator5
Style DesignatorONE PIECE
MaterialCARBON
Contact Face StyleFLAT
Terminal Diameter0.406 INCHES NOMINAL
Brush Shunt Length1.362 INCHES NOMINAL SINGLE SHUNT
Shunt Insulation Provision And Qua1 UNINSULATED
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 K8442A028 available?
We can source K8442A028 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 K8442A028 by Federal Signal obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K8442A028 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 K8442A028?
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 K8442A028?
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.