Helwig Carbon Products · Electronic Components
80-311291
Brush, Electrical Contact
Part Number80-311291
ManufacturerHelwig Carbon Products
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-01-170-2603 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
MaterialELECTROGRAPHITIC
Style DesignatorONE PIECE
Shunt Insulation Provision And Qua2 UNINSULATED
Terminal Type And Quantity2 BENT W/SLOT
Material Document And ClassificatiHELWIG CARBON GRADE 633 MFR REF SINGLE MATERIAL RESPONSE
Brush Shunt Length2.750 INCHES NOMINAL ALL SHUNTS
Thickness0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
Radius1.094 INCHES NOMINAL
Width1.246 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
Shunt Position Designator1
Length1.250 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 80-311291 available?
We can source 80-311291 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 80-311291 by Helwig Carbon Products obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 80-311291 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 80-311291?
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 80-311291?
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.