GE Aviation Systems · Electronic Components
BYLM18-1
Brush, Electrical Contact
Part NumberBYLM18-1
ManufacturerGE Aviation Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-557-8286 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Material Document And ClassificatiPURE CARBON CO INC,GR 22F MFR REF SINGLE MATERIAL RESPONSE
Style DesignatorONE PIECE
Terminal Type And Quantity1 BENT W/HOLE
Pressure Spring Type And Quantity1 CYLINDRICAL
MaterialELECTROGRAPHITIC
Terminal Hole Diameter0.075 INCHES NOMINAL
Brush Shunt Length0.538 INCHES NOMINAL SINGLE SHUNT
Contact Face StyleCONCAVE
Shunt Insulation Provision And Qua1 UNINSULATED
Body StyleRECTANGULAR COMMUTATOR
Radius0.300 INCHES NOMINAL
Cancelled NSN5977-00-610-5777 (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 BYLM18-1 available?
We can source BYLM18-1 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 BYLM18-1 by GE Aviation Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BYLM18-1 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 BYLM18-1?
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 BYLM18-1?
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.