Arc Systems · Electronic Components
18-55-115
Motor-Tachometer Generator
Part Number18-55-115
ManufacturerArc Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-00-624-3997 (NSN)
Federal Item NameMOTOR-TACHOMETER GENERATOR
Federal Supply Class6105 — Motors, Electrical
Shaft End CharacteristicA17 SINGLE STYLE SINGLE END
Frequency In Hertz400.0 OUTPUT
Terminal Type And Quantity10 SCREW
Shaft Diameter0.1770 INCHES NOMINAL SINGLE END
Mounting Facility Circle Diameter1.250 INCHES
Control Field Voltage Type And Rat18.0 AC AND 36.0 AC
Excitor TypeSEPARATELY EXCITED
Calibration Voltage Output Type In3.2 AC
Mounting MethodFACE
Mounting Facility Type And Quantit4 THREADED HOLE(S)
Rotor Speed Rating In Rpm4500.0 SINGLE NO LOAD
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 18-55-115 available?
We can source 18-55-115 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 18-55-115 by Arc Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18-55-115 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 18-55-115?
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 18-55-115?
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.