Ontic Engineering & Manufacturing, Inc. · Electronic Components
20-5900
Brush, Electrical Contact
Part Number20-5900
ManufacturerOntic Engineering & Manufacturing, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-01-236-3269 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Width0.183 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
Basic Shape StyleRECTANGULAR GROOVE IN LEFT SIDE
Outer Edge To Groove Edge Distance0.076 INCHES MINIMUM AND 0.077 INCHES MAXIMUM
Body StyleRECTANGULAR COMMUTATOR
Length0.391 INCHES NOMINAL
Contact Face StyleCONCAVE
Thickness0.183 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
MaterialCARBON
Groove Depth0.031 INCHES NOMINAL
Top StyleFLAT
Groove Width0.031 INCHES NOMINAL
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 20-5900 available?
We can source 20-5900 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 20-5900 by Ontic Engineering & Manufacturing, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20-5900 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 20-5900?
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 20-5900?
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.