Ontic Engineering & Manufacturing, Inc. · Electronic Components
EE485-4
Brush, Electrical Contact
Part NumberEE485-4
ManufacturerOntic Engineering & Manufacturing, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-284-8272 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Body StyleRECTANGULAR COMMUTATOR
Style DesignatorONE PIECE
Brush Shunt Length1.875 INCHES NOMINAL SINGLE SHUNT
Terminal Hole Diameter0.144 INCHES NOMINAL
Material Document And ClassificatiUNION CARBIDE CORP GRADE H25 MFR REF SINGLE MATERIAL RESPONSE
Shunt Insulation Provision And Qua1 INSULATED
Terminal Type And Quantity1 FLAG W/HOLE
MaterialELECTROGRAPHITIC
Width0.556 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
Radius0.609 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
Shunt Position Designator8
Cancelled NSN5977-00-642-8476 (cancelled)
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 EE485-4 available?
We can source EE485-4 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 EE485-4 by Ontic Engineering & Manufacturing, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If EE485-4 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 EE485-4?
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 EE485-4?
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.