Donel Systems · Electronic Components
21638
Commutator — Motors, Electrical
Part Number21638
ManufacturerDonel Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-00-175-0207 (NSN)
Federal Item NameCOMMUTATOR
Federal Supply Class6105 — Motors, Electrical
ShapeCYLINDRICAL
Shaft Attachment MethodPRESSED ON SHAFT
Inside Diameter1.000 INCHES NOMINAL
Overall Diameter1.094 INCHES NOMINAL
Segment Quantity7
Overall Length1.125 INCHES NOMINAL
Outside Diameter1.094 INCHES NOMINAL
Vendor Part Numbers10237483
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 21638 available?
We can source 21638 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 21638 by Donel Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21638 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 21638?
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 21638?
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.