Smith and Smith Aircraft · Electronic Components
EE781M1
Brush, Electrical Contact
Part NumberEE781M1
ManufacturerSmith and Smith Aircraft
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-178-8155 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Head Length0.125 INCHES NOMINAL
Length0.563 INCHES NOMINAL
Width0.250 INCHES NOMINAL
Largest Outside Diameter0.156 INCHES NOMINAL
Spring Free Length1.250 INCHES NOMINAL
Contact Face StyleCONCAVE
Radius0.563 INCHES NOMINAL
MaterialELECTROGRAPHITIC
Top StyleCYLINDRICAL HEAD
Shunt Insulation Provision And Qua1 UNINSULATED
Head Diameter0.188 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 EE781M1 available?
We can source EE781M1 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 EE781M1 by Smith and Smith Aircraft obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If EE781M1 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 EE781M1?
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 EE781M1?
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.