The Control Assembly,transmission, cataloged under National Stock Number 2520-01-579-2302, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Powertrain Control Solutions Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-579-2302 |
| Primary Part Number | TCM2100AB |
| Item Name | Control Assembly,transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Powertrain Control Solutions Llc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 12.0 DC |
| Special Test Features | OPERATING TEMPERATURE: MINUS 47F TO 123F |
| Supplementary Features | NHA-12469203 |
| Specification/standard Data | 96906-DOD-STD-00100D (AR) GOVERNMENT STANDARD AND 80204-ANSI Y14.5M-1982 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Special Markings | CAUTION: VEHICLE POWER MUST BE OFF BEFORE THE TRANSMISSION CONTROL MODULE IS CONNECTED OR DISCONNECTED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TCM2100AB PRIMARY | Powertrain Control Solutions Llc (USA) |
| Reference | Meaning |
|---|---|
| TCM2100AA | 5/9 Secondary reference Powertrain Control Solutions Llc |
| 2520015792302 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 12460423-5 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12460423 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2520-01-579-2302 is a Control Assembly,transmission, manufactured by Powertrain Control Solutions Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-579-2302 has 1 manufacturer part number on file: TCM2100AB (Powertrain Control Solutions Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-677-9092, 2520-01-686-3924. Verify interchangeability with system specifications before substitution.
Key specifications for TCM2100AB: Voltage in Volts and Current Type: 12.0 DC; Special Test Features: OPERATING TEMPERATURE: MINUS 47F TO 123F; Supplementary Features: NHA-12469203; Specification/standard Data: 96906-DOD-STD-00100D (AR) GOVERNMENT STANDARD AND 80204-ANSI Y14.5M-1982 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.