Reliance Electric Company · Electronic Components
74731-R
Holder, Electrical Contact Brush
Part Number74731-R
ManufacturerReliance Electric Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-959-6006 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Mounting Facility Quantity1
Overall Thickness3.125 INCHES NOMINAL
Brush Quantity Accommodated Per Ho1
Inside Length1.375 INCHES NOMINAL
Mounting FacilityUNTHREADED HOLES
Brush Spring AdjustabilityADJUSTABLE
Overall Length1.750 INCHES NOMINAL
Overall Width2.375 INCHES NOMINAL
Brush Pressure Spring Type AccommoHELICAL TORSION
Inside Thickness0.379 INCHES NOMINAL
Terminal TypeSCREW
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 74731-R available?
We can source 74731-R 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 74731-R by Reliance Electric Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 74731-R 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 74731-R?
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 74731-R?
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.