The Sensor,exhaust Gas,oxygen,emissi, cataloged under National Stock Number 2990-01-588-2700, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-588-2700 |
| Primary Part Number | 1166680 |
| Item Name | Sensor,exhaust Gas,oxygen,emissi |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Engine Model Number for Which Designed | ENGINE DSL MODEL 3608 |
| 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 |
|---|---|
| 2703881 | Finning (uk) Ltd (GBR) |
| 1166680 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 10076521 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 270-3881 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2990-01-588-2700 is a Sensor,exhaust Gas,oxygen,emissi, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-588-2700 has 2 manufacturer part numbers on file: 2703881 (Finning (uk) Ltd), 1166680 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1166680: Engine Model Number for Which Designed: ENGINE DSL MODEL 3608; Special Features: ATTRIBUTES: LOW OUTPUT; APPLICATIONS: HIGH POSITION ACCURACY, NOT RECOMMENDED FOR USE IN APPLICATIONS < 100RPM; LOWER OUTPUT VOLTAGE; TYPICAL APPLICATIONS INCLUDE CRANK, TIMING, TC, TIS, AND INTERMEDIATE TRANSMISSION SPEED SENSORS RPM; Part Name Assigned by Controlling Agency: SENSOR AS; End Item Identification: ENGINE DSL. 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.