Helwig Carbon Products · Electronic Components
28-255011-204-6-02
Brush, Electrical Contact
Part Number28-255011-204-6-02
ManufacturerHelwig Carbon Products
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-886-2979 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Width0.250 INCHES NOMINAL
Thickness0.500 INCHES NOMINAL
Terminal Type And Quantity1 STRAIGHT W/SLOT
Angle45.0 DEGREES NOMINAL
Style DesignatorONE PIECE
Material Document And ClassificatiHELWIG CARBON PRODUCTS INC GRADE 697 MFR REF SINGLE MATERIAL RESPONSE
Shunt Insulation Provision And Qua1 INSULATED
MaterialMETAL GRAPHITE
Terminal Slot Width0.188 INCHES NOMINAL
Brush Shunt Length1.125 INCHES NOMINAL SINGLE SHUNT
Top StyleBEVELED FRONT WITH RIGHT EDGE BEVELED
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 28-255011-204-6-02 available?
We can source 28-255011-204-6-02 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 28-255011-204-6-02 by Helwig Carbon Products obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 28-255011-204-6-02 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 28-255011-204-6-02?
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 28-255011-204-6-02?
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.