Bogue Systems · Electronic Components
B-4640
Holder, Electrical Contact Brush
Part NumberB-4640
ManufacturerBogue Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-387-3418 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Style DesignatorWING
Brush Spring AdjustabilityADJUSTABLE
Inside Thickness0.625 INCHES NOMINAL
Terminal TypeSCREW
Brush Quantity Accommodated Per Ho2
Inside Width0.312 INCHES NOMINAL
Inside Length1.125 INCHES NOMINAL
Overall Width1.125 INCHES NOMINAL
Mounting FacilityCLAMP
Brush Pressure Spring Type AccommoHELICAL TORSION
Mounting Facility Quantity1
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 B-4640 available?
We can source B-4640 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 B-4640 by Bogue Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B-4640 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 B-4640?
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 B-4640?
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.