The Switch,engine Temperature,automo, cataloged under National Stock Number 2990-01-460-1387, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Stewart-Warner Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-460-1387 |
| Primary Part Number | 413CM |
| Item Name | Switch,engine Temperature,automo |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Stewart-Warner Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 250 DEG F TEMPERATURE SWITCH; SWITCH IS INTENDED TO TURN ON LIGHT WHEN HIGH TEMPERATURES OCCUR IN AN AUTOMOTIVE COOLING SYSTEM; TYPICAL LOAD IS AN INCANDESCENT LAMP; MAX. LOAD CURRENT .3 AMP AT 14 VOLTS DC; LG. IS 2.970 IN.HEX DIA. 1.000 IN. IN |
| 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 |
|---|---|
| 413CM PRIMARY | Stewart-Warner Corporation (USA) |
| Reference | Meaning |
|---|---|
| B01018 | 5/9 Secondary reference Toromont Industriesdba Mechron Power Systems |
| B01018 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2990-01-460-1387 is a Switch,engine Temperature,automo, manufactured by Stewart-Warner Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-460-1387 has 1 manufacturer part number on file: 413CM (Stewart-Warner Corporation).
Key specifications for 413CM: General Characteristics Item Description: 250 DEG F TEMPERATURE SWITCH; SWITCH IS INTENDED TO TURN ON LIGHT WHEN HIGH TEMPERATURES OCCUR IN AN AUTOMOTIVE COOLING SYSTEM; TYPICAL LOAD IS AN INCANDESCENT LAMP; MAX. LOAD CURRENT .3 AMP AT 14 VOLTS DC; LG. IS 2.970 IN.HEX DIA. 1.000 IN. IN. 1 specification is 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.