Eaton · Electronic Components
TF-28440-1
Brush, Electrical Contact
Part NumberTF-28440-1
ManufacturerEaton
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-028-4160 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Terminal Slot Width0.187 INCHES NOMINAL
Style DesignatorONE PIECE
Shunt Insulation Provision And Qua2 UNINSULATED
Material Document And ClassificatiSTACKPOLE CARBON CO GRADE WAB MFR REF SINGLE MATERIAL RESPONSE
Terminal Type And Quantity1 STRAIGHT W/SLOT
Contact Face StyleCONCAVE
Bevel Depth0.125 INCHES NOMINAL
Width0.621 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
Body StyleRECTANGULAR COMMUTATOR
Brush Shunt Length1.438 INCHES NOMINAL ALL SHUNTS
Bevel Length0.125 INCHES NOMINAL
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 TF-28440-1 available?
We can source TF-28440-1 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 TF-28440-1 by Eaton obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TF-28440-1 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 TF-28440-1?
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 TF-28440-1?
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.