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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SCD99877-157
Brush, Electrical Contact
Part NumberSCD99877-157
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-325-6402 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Pressure Spring Type And Quantity1 CYLINDRICAL
MaterialGRAPHITE
Contact Face StyleCONCAVE
Material Document And ClassificatiNATIONAL CARBON CO GRADE AJS MFR REF SINGLE MATERIAL RESPONSE
Shunt Insulation Provision And Qua1 UNINSULATED
Thickness0.104 INCHES MINIMUM AND 0.108 INCHES MAXIMUM
Length0.750 INCHES NOMINAL
Width0.269 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
Spring Free Length2.500 INCHES NOMINAL
Shunt Position Designator5
Body StyleRECTANGULAR COMMUTATOR
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 SCD99877-157 available?
We can source SCD99877-157 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 SCD99877-157 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 SCD99877-157 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 SCD99877-157?
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 SCD99877-157?
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.