International Contact Technologies · Electronic Components
73B
Brush, Electrical Contact
Part Number73B
ManufacturerInternational Contact Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-234-9548 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Body StyleRECTANGULAR
Brush Shunt Length2.375 INCHES NOMINAL SINGLE SHUNT
Contact Face StyleFLAT
Style DesignatorONE PIECE
Terminal Diameter0.500 INCHES NOMINAL
Pressure Spring Type And Quantity1 CYLINDRICAL
Terminal Type And Quantity1 ROUND CAP
Largest Outside Diameter0.430 INCHES NOMINAL
Shunt Insulation Provision And Qua1 UNINSULATED
MaterialCARBON
Material Document And ClassificatiOHIO CARBON CO STOCK NO. 73B MFR REF SINGLE MATERIAL RESPONSE
Vendor Part NumbersSK-124
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 73B available?
We can source 73B 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 73B by International Contact Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 73B 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 73B?
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 73B?
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.