Elf Atochem North America · Electronic Components
BR-143-1
Brush, Electrical Contact
Part NumberBR-143-1
ManufacturerElf Atochem North America
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-501-0677 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Major Thickness1.375 INCHES NOMINAL
Thickness1.000 INCHES NOMINAL
Style DesignatorONE PIECE
Length2.250 INCHES NOMINAL
Angle40.0 DEGREES NOMINAL
Terminal Type And Quantity1 STRAIGHT W/SLOT
Material Document And ClassificatiNATIONAL GRADE SA35 MFR REF SINGLE MATERIAL RESPONSE
Shunt Insulation Provision And Qua2 INSULATED
Contact Face StyleBEVELED
Top StyleBEVELED FRONT
Bevel Angle30.0 DEGREES 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 BR-143-1 available?
We can source BR-143-1 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 BR-143-1 by Elf Atochem North America obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BR-143-1 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 BR-143-1?
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 BR-143-1?
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.