The Sensor,engine Coolant Temperatur, cataloged under National Stock Number 2990-01-421-3429, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Lapp Miltronic Ab. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-421-3429 |
| Primary Part Number | 332728 |
| Item Name | Sensor,engine Coolant Temperatur |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Lapp Miltronic Ab |
| Status | ACTIVE |
| Engine Design Control Activity | S5760 |
| Vehicle Identification Designator | DCB28RO/RO |
| Vehicle Design Control Activity | S7560 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 332728 PRIMARY | Lapp Miltronic Ab (SWE) |
| 921685.0001 | Cargotec Sweden Ab - Kalmar Industries (SWE) |
| Reference | Meaning |
|---|---|
| 332728 | 3/9 Design control — primary reference Miltronics Ab |
| 921685.0001 | 5/9 Secondary reference Cargotec Sweden Ab - Kalmar Industries |
NSN 2990-01-421-3429 is a Sensor,engine Coolant Temperatur, manufactured by Lapp Miltronic Ab, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-421-3429 has 2 manufacturer part numbers on file: 332728 (Lapp Miltronic Ab), 921685.0001 (Cargotec Sweden Ab - Kalmar Industries).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-468-4679, 2530-01-480-5794. Verify interchangeability with system specifications before substitution.
Key specifications for 332728: Engine Design Control Activity: S5760; Vehicle Identification Designator: DCB28RO/RO; Vehicle Design Control Activity: S7560; Special Features: SENSOR FOR FRAME,LIFTING CAGE 03950. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.