Caywood Electronics · Electronic Components
28900-4
Capacitor, Variable, Air Dielectri
Part Number28900-4
ManufacturerCaywood Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-045-9249 (NSN)
Federal Item NameCAPACITOR,VARIABLE,AIR DIELECTRI
Federal Supply Class5910 — Capacitors
Split Stator Rotary Plate TypeDIFFERENTIAL
Shaft Diameter0.2495 INCHES NOMINAL SINGLE SHAFT
Adjustment Device Torque5.000 INCH-OUNCES NOMINAL
Overall Length4.203 INCHES NOMINAL
Overall Width1.562 INCHES NOMINAL
Overall Height1.562 INCHES NOMINAL
Body StylePLATE-MESHING
Shaft TypeROUND SINGLE SHAFT
Individual Section Quantity2
Adjustment Device Rotation180.0 DEGREES NOMINAL CLOCKWISE
Inclosure TypeUNINCLOSED
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 28900-4 available?
We can source 28900-4 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 28900-4 by Caywood Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 28900-4 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 28900-4?
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 28900-4?
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.