Kollmorgen Corp. · Electronic Components
A4502
Holder, Electrical Contact Brush
Part NumberA4502
ManufacturerKollmorgen Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-972-9272 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Overall Length1.560 INCHES NOMINAL
Overall Diameter0.750 INCHES NOMINAL
Inside Thickness0.313 INCHES NOMINAL
Precious Material And Weight0.040 SILVER GRAINS, TROY
Mounting FacilityPRESS FIT
Precious Material And LocationFINISH SILVER
Precious MaterialSILVER
Brush Quantity Accommodated Per Ho1
Mounting Facility Quantity1
Inside Width0.251 INCHES NOMINAL
Inside Length1.560 INCHES NOMINAL
Vendor Part Numbers653
ESD/EMICode A — ESD/EMI sensitive item
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 A4502 available?
We can source A4502 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 A4502 by Kollmorgen Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A4502 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 A4502?
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 A4502?
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.