Espey Mfg. & Electronics · Electronic Components
SI-242-MA
Amplifier, Magnetic
Part NumberSI-242-MA
ManufacturerEspey Mfg. & Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5996-00-413-4416 (NSN)
Federal Item NameAMPLIFIER,MAGNETIC
Federal Supply Class5996 — Amplifiers
Winding Function And Quantity1 PRIMARY AND 5 SECONDARY AND 3 CONTROL SINGLE COMPONENT
Body Height2.750 INCHES NOMINAL
Center To Center Distance Between1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Overall Height3.750 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP
Mounting Facility Quantity8 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Overall Length3.750 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Maximum Operating Temp130.0 CELSIUS
Vendor Part Numbers422A1, SM-D-667883
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 SI-242-MA available?
We can source SI-242-MA 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 SI-242-MA by Espey Mfg. & Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SI-242-MA 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 SI-242-MA?
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 SI-242-MA?
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.