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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SC-D-99877-140
Brush, Electrical Contact
Part NumberSC-D-99877-140
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-233-1030 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Brush Shunt Length1.312 INCHES NOMINAL SINGLE SHUNT
Contact Face StyleCONCAVE
Style DesignatorONE PIECE
Largest Outside Diameter0.320 INCHES NOMINAL
MaterialELECTROGRAPHITIC
Thickness0.250 INCHES NOMINAL
Shunt Position Designator5
Width0.375 INCHES NOMINAL
Radius1.000 INCHES NOMINAL
Shunt Insulation Provision And Qua1 UNINSULATED
Spring Free Length2.000 INCHES NOMINAL
Cancelled NSN5977-00-280-8803 (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 SC-D-99877-140 available?
We can source SC-D-99877-140 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-99877-140 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-99877-140 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-99877-140?
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-99877-140?
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.