Westinghouse Electric Corp. · Electronic Components
777887
Brush, Electrical Contact
Part Number777887
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-247-5356 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Shunt Position Designator4
Radius2.500 INCHES NOMINAL
Thickness1.750 INCHES NOMINAL
Brush Shunt Length5.000 INCHES NOMINAL SINGLE SHUNT
Bevel Depth0.188 INCHES NOMINAL
Contact Face StyleCONCAVE
MaterialELECTROGRAPHITIC
Style DesignatorONE PIECE
Bevel Length0.313 INCHES NOMINAL
Material Document And ClassificatiCARBONE CARBON GRADE WS86 MFR REF SINGLE MATERIAL RESPONSE
Terminal Slot Width0.281 INCHES NOMINAL
Vendor Part NumbersM777887
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 777887 available?
We can source 777887 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 777887 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 777887 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 777887?
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 777887?
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.