Eaton Corp. · Electronic Components
TF31540-1
Brush, Electrical Contact
Part NumberTF31540-1
ManufacturerEaton Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-214-1271 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Terminal Type And Quantity1 ROUND CAP W/EARS
Clip TypeNEMA HAMMER TYPE A
Contact Face StyleCONCAVE
Brush Shunt Length0.797 INCHES NOMINAL SINGLE SHUNT
Radius0.563 INCHES NOMINAL
Shunt Insulation Provision And Qua1 UNINSULATED
MaterialELECTROGRAPHITIC
Body StyleRECTANGULAR COMMUTATOR
Shunt Position Designator5
Material Document And ClassificatiSTACKPOLE CARBON CO,GR WAB MFR REF SINGLE MATERIAL RESPONSE
Terminal Diameter0.437 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 TF31540-1 available?
We can source TF31540-1 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 TF31540-1 by Eaton Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TF31540-1 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 TF31540-1?
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 TF31540-1?
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.