Ballantyne Of Omaha Inc. · Electronic Components
A-72540
Brush, Electrical Contact
Part NumberA-72540
ManufacturerBallantyne Of Omaha Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-296-1069 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Body StyleRECTANGULAR COMMUTATOR
Pressure Spring Type And Quantity1 CYLINDRICAL
MaterialMETAL GRAPHITE
Material Document And ClassificatiPURE CARBON CO INC,GRADE 1010J MFR REF SINGLE MATERIAL RESPONSE
Terminal Type And Quantity1 ROUND CAP
Shunt Insulation Provision And Qua1 UNINSULATED
Style DesignatorONE PIECE
Contact Face StyleCONCAVE
Length0.562 INCHES NOMINAL
Radius0.359 INCHES NOMINAL
Spring Free Length1.125 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 A-72540 available?
We can source A-72540 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 A-72540 by Ballantyne Of Omaha Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A-72540 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 A-72540?
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 A-72540?
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.