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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SC-D-99877-120
Brush, Electrical Contact
Part NumberSC-D-99877-120
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-284-9262 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Shunt Position Designator5
Contact Face StyleCONCAVE
Thickness0.156 INCHES NOMINAL
Style DesignatorONE PIECE
Material Document And ClassificatiBECKER BROS CARBON CO,GRADE H3 MFR REF SINGLE MATERIAL RESPONSE
Brush Shunt Length0.750 INCHES NOMINAL SINGLE SHUNT
MaterialGRAPHITE
Shunt Insulation Provision And Qua1 UNINSULATED
Pressure Spring Type And Quantity1 CYLINDRICAL
Terminal Type And Quantity1 ROUND CAP W/EARS
Terminal Diameter0.309 INCHES NOMINAL
Vendor Part Numbers33562-1H3
Cancelled NSN5977-00-214-0410 (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-99877-120 available?
We can source SC-D-99877-120 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-99877-120 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-99877-120 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-99877-120?
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-99877-120?
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.