Ontic Engineering & Manufacturing, Inc. · Electronic Components
EE166
Arm, Electrical Contact Brush
Part NumberEE166
ManufacturerOntic Engineering & Manufacturing, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-473-9002 (NSN)
Federal Item NameARM,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Surface TreatmentCADMIUM
MaterialCOPPER ALLOY
ShapeIRREGULAR
Mounting ConfigurationTWO 0.188 TO 0.191 IN. DIA MTG HOLES ON EA SIDE OF ARM,0.474 TO 0.484 IN. APART
Overall Depth0.289 INCHES MINIMUM AND 0.299 INCHES MAXIMUM
Overall Length0.670 INCHES NOMINAL
Overall Width0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
Usage DesignUSED TO RETAIN BRUSH
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 EE166 available?
We can source EE166 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 EE166 by Ontic Engineering & Manufacturing, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If EE166 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 EE166?
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 EE166?
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.