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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-448878
Capacitor, Variable, Air Dielectri
Part NumberSM-D-448878
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-930-3873 (NSN)
Federal Item NameCAPACITOR,VARIABLE,AIR DIELECTRI
Federal Supply Class5910 — Capacitors
Precious Material And LocationPIN SURFACES GOLD AND ALL BODY AND TERMINAL SURFACES SILVER
Terminal Diameter0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM
Capacitance Range In Picofarads+7.0 TO 25.1 FIRST SECTION
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Nonderated Voltage Rating And Type500.0 DC CONTINUOUS ALL SECTIONS
Adjustment Device Rotation171.0 DEGREES NOMINAL COUNTERCLOCKWISE
Adjustment Device Drive Type And Q1 SHAFT
Adjustment Device Torque1.500 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM
Precious MaterialGOLD AND SILVER
Terminal Length0.368 INCHES NOMINAL
MaterialMETAL BASE
Vendor Part NumbersSMD448878
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 SM-D-448878 available?
We can source SM-D-448878 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 SM-D-448878 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-D-448878 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 SM-D-448878?
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 SM-D-448878?
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.