Kearfott · Electronic Components
R809-2B
Motor-Tachometer Generator
Part NumberR809-2B
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-00-578-7055 (NSN)
Federal Item NameMOTOR-TACHOMETER GENERATOR
Federal Supply Class6105 — Motors, Electrical
Frequency In Hertz400.0 OUTPUT
Mounting MethodFACE
Spline Length0.3760 INCHES NOMINAL SINGLE END
Enclosure FeatureTOTALLY ENCLOSED
Shaft Diameter0.1247 INCHES NOMINAL SINGLE END
Excitor TypeSEPARATELY EXCITED
Calibration Voltage Output Type In0.6 AC
Mounting Facility Circle Diameter0.812 INCHES
Mounting Facility Type And Quantit4 THREADED HOLE(S)
Shaft End CharacteristicA14 SINGLE STYLE SINGLE END
Torque Rating And Type0.6 INCH-OUNCES STALLED
Cancelled NSN6105-00-557-3333 (cancelled)
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 R809-2B available?
We can source R809-2B 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 R809-2B by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R809-2B 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 R809-2B?
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 R809-2B?
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.