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12126
12126
COUPLING,ADJUSTABLE — NSN 3040-00-448-0738
Part Number12126
AvailabilityIn stock — ships fast
Specifications
NSN5950-01-028-3415 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center To Center Distance Between1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length2.500 INCHES MAXIMUM
Winding Function And Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type And Quantity10 PIN
Nominal Thread Size0.138 INCHES SINGLE GROUP
Body Width2.063 INCHES MAXIMUM
Vendor Part Numbers338497
ESD/EMICode A — ESD/EMI sensitive item
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 12126 in stock?
Yes — 12126 is in our stock database. Request a quote for current pricing and lead time.
Is 12126 obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12126 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 12126?
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 12126?
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.