Stewart & Stevenson Power Products · Electronic Components
52507-B
Holder, Electrical Contact Brush
Part Number52507-B
ManufacturerStewart & Stevenson Power Products
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-834-9479 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Inside Length0.750 INCHES NOMINAL
Style DesignatorWING
Brush Quantity Accommodated Per Ho2
Brush Pressure Spring Type AccommoSPIRAL TORSION
Mounting Facility Quantity1
Mounting FacilityUNTHREADED HOLES
Brush Spring AdjustabilityADJUSTABLE
Inside Thickness1.015 INCHES MINIMUM AND 1.018 INCHES MAXIMUM
Inside Width0.265 INCHES MINIMUM AND 0.268 INCHES MAXIMUM
Terminal TypeTHREADED STUD
Overall Width0.687 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 52507-B available?
We can source 52507-B 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 52507-B by Stewart & Stevenson Power Products obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 52507-B 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 52507-B?
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 52507-B?
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.