Cummins M2456 Transformer, Audio Frequency

Cummins M2456 is a engine component in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Cummins M2456 as the maker's own number under government stock item NSN 5950-00-645-5171. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 5950-00-645-5171, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Transformer, Audio Frequency

Government stock item (NSN)

5950-00-645-5171

Manufacturer code (CAGE)

15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES

Mounting hole diameter

Single group: 0.188 in (nominal)

Impedance rating in ohms

• Single component single primary: 5000.0 (nominal)
• Single component single secondary: 68000.0 (nominal)

Frequency rating

Single component: 380.0 to 420.0 Hz

Primary to secondary turn ratio

1 to 4

Body length

1.438 in (nominal)

Body width

1.375 in (nominal)

Body height

0.969 in (nominal)

Distance between mounting facility centers

Single mounting facility single center group: 1.125 in (nominal)

Inclosure type

Hermetically sealed

Mounting facility quantity

2

Mounting method

Single group: flange and unthreaded hole(s)

Winding function and quantity

Single component primary 1 and secondary 1

Winding operating current

Single component single primary milliamperes DC maximum 200.0

Terminal type and quantity

Standoff, solder lug: 4

Other reference numbers listed under the same stock item

• MAGNETIKA INC N2456
• ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS 674-0541-00

These numbers are recorded under the same government stock item. That is not a statement that the parts replace each other or fit the same equipment: confirm with the manufacturer.

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

About this kind of part (general, written by SearchForPart)

A part of an engine named by its use. Replaced when worn, leaking or damaged. Check the engine model and serial range.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

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Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.