Viking Technologies · Electronic Components
189-3-4
Capacitor, Variable, Air Dielectri
Part Number189-3-4
ManufacturerViking Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-905-4744 (NSN)
Federal Item NameCAPACITOR,VARIABLE,AIR DIELECTRI
Federal Supply Class5910 — Capacitors
Capacitance Range In Picofarads+1.4 TO 7.3 SINGLE SECTION
Adjustment Device Rotation180.0 DEGREES NOMINAL CLOCKWISE
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Shaft Length0.281 INCHES NOMINAL SINGLE SHAFT
Inclosure TypeUNINCLOSED
Terminal Type And Quantity2 TAB, SOLDER LUG
Shaft Diameter0.082 INCHES NOMINAL SINGLE SHAFT
Overall Length0.478 INCHES NOMINAL
Nonderated Voltage Rating And Type850.0 AC PEAK SINGLE SECTION
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Adjustment Device Drive Type And Q1 SHAFT
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 189-3-4 available?
We can source 189-3-4 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 189-3-4 by Viking Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 189-3-4 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 189-3-4?
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 189-3-4?
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.