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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SC-D-99877-187
Brush, Electrical Contact
Part NumberSC-D-99877-187
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-295-8063 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Radius0.500 INCHES NOMINAL
Pressure Spring Type And Quantity1 CYLINDRICAL
MaterialELECTROGRAPHITIC
Style DesignatorONE PIECE
Contact Face StyleCONCAVE
Shunt Insulation Provision And Qua1 UNINSULATED
Material Document And ClassificatiUNITED STATES GRAPHITE CO,GRADE 235 MFR REF SINGLE MATERIAL RESPONSE
Terminal Type And Quantity1 ROUND CAP
Spring Free Length0.625 INCHES NOMINAL
Width0.181 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
Body StyleRECTANGULAR
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 SC-D-99877-187 available?
We can source SC-D-99877-187 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 SC-D-99877-187 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SC-D-99877-187 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 SC-D-99877-187?
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 SC-D-99877-187?
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.