Fairbanks Morse · Electronic Components
S4508SH21PC18497
Brush, Electrical Contact
Part NumberS4508SH21PC18497
ManufacturerFairbanks Morse
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-033-3850 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Peripheral Speed6500 FEET PER MINUTE
MaterialELECTROGRAPHITIC
Material Document And ClassificatiMORGANITE INC,GRADE EG10 MFR REF SINGLE MATERIAL RESPONSE
Terminal Slot Width0.437 INCHES NOMINAL
Style DesignatorONE PIECE
Terminal Type And Quantity1 STRAIGHT W/SLOT
Thickness0.625 INCHES NOMINAL
Brush Shunt Length3.250 INCHES NOMINAL SINGLE SHUNT
Contact Face StyleFLAT
Length2.000 INCHES NOMINAL
Shunt Insulation Provision And Qua1 UNINSULATED
ESD/EMICode A — ESD/EMI sensitive item
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 S4508SH21PC18497 available?
We can source S4508SH21PC18497 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 S4508SH21PC18497 by Fairbanks Morse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S4508SH21PC18497 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 S4508SH21PC18497?
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 S4508SH21PC18497?
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.