Telemechanics · Electronic Components
521508820
Brush, Electrical Contact
Part Number521508820
ManufacturerTelemechanics
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-636-0088 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Body StyleRECTANGULAR SLIP RING
Width0.125 INCHES NOMINAL
Terminal Hole Diameter0.156 INCHES NOMINAL
Outer Edge To Slot Edge Distance0.031 INCHES NOMINAL
Terminal Type And Quantity1 FLAG W/HOLE
Top StyleFLAT WITH U SHAPED SLOT
Style DesignatorONE PIECE
Shunt Insulation Provision And Qua1 UNINSULATED
MaterialCARBON
Brush Shunt Length1.250 INCHES NOMINAL SINGLE SHUNT
Contact Face StyleCONCAVE
Vendor Part Numbers7901123-17, 006-502-813
Cancelled NSN5977-00-284-6571 (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 521508820 available?
We can source 521508820 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 521508820 by Telemechanics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521508820 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 521508820?
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 521508820?
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.