Home /
Catalog / US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir / SM-B-142878
US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-142878
Coil, Telephone
Part NumberSM-B-142878
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-537-5147 (NSN)
Federal Item NameCOIL,TELEPHONE
Federal Supply Class5950 — Coils and Transformers
Body Height0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM
Winding Quantity2 SINGLE COMPONENT
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
Dc Resistance Rating In Ohms500.000 SINGLE COMPONENT ALL WINDING
Winding Conductor Size0.00562 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity2 SINGLE GROUP
Distance Between Mounting Facility0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Overall Length0.854 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Turn Quantity10000 SINGLE COMPONENT SINGLE WINDING
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-B-142878 available?
We can source SM-B-142878 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-B-142878 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-B-142878 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-B-142878?
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-B-142878?
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.