Helwig Carbon Products · Electronic Components
15-255021
Brush, Electrical Contact
Part Number15-255021
ManufacturerHelwig Carbon Products
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-238-9182 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Contact Face StyleFLAT
Width0.500 INCHES NOMINAL
Brush Shunt Length2.000 INCHES NOMINAL SINGLE SHUNT
Top StyleFLAT WITH LEFT EDGE BEVELED
Style DesignatorONE PIECE
Length1.000 INCHES NOMINAL
Terminal Type And Quantity1 STRAIGHT W/SLOT
Terminal Slot Width0.156 INCHES NOMINAL
Material Document And ClassificatiHELWIG CARBON GRADE H23 MIL SPEC SINGLE MATERIAL RESPONSE
Body StyleRECTANGULAR COMMUTATOR
Shunt Position Designator2
Cancelled NSN5977-00-256-8440 (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 15-255021 available?
We can source 15-255021 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 15-255021 by Helwig Carbon Products obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 15-255021 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 15-255021?
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 15-255021?
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.