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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SC-D-99875-21
Brush, Electrical Contact
Part NumberSC-D-99875-21
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-284-9330 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Terminal Slot Width0.156 INCHES NOMINAL
Material Document And ClassificatiUNION CARBIDE CORP GRADE 255 MFR REF SINGLE MATERIAL RESPONSE
Terminal Type And Quantity1 STRAIGHT W/SLOT
MaterialELECTROGRAPHITIC
Style DesignatorONE PIECE
Brush Shunt Length3.000 INCHES NOMINAL SINGLE SHUNT
Shunt Insulation Provision And Qua1 UNINSULATED
Body StyleRECTANGULAR COMMUTATOR
Thickness0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
Shunt Position Designator8
Contact Face StyleFLAT
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-99875-21 available?
We can source SC-D-99875-21 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-99875-21 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-99875-21 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-99875-21?
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-99875-21?
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.