The Governor,diesel Engine, cataloged under National Stock Number 2990-01-481-8177, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Jacobs Mfg Co the. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-481-8177 |
| Primary Part Number | 025911 |
| Item Name | Governor,diesel Engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Jacobs Mfg Co the |
| Status | ACTIVE |
| Engine Model Number for Which Designed | DDEC IV |
| Governor Type | ELECTROMAGNETIC SOLENOID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2990-01-481-8177 is a Governor,diesel Engine, manufactured by Jacobs Mfg Co the, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-481-8177 has 2 manufacturer part numbers on file: 025911 (Jacobs Mfg Co the), JB/025911 (Daimler Truck North America Llc).
Key specifications for 025911: Engine Model Number for Which Designed: DDEC IV; Governor Type: ELECTROMAGNETIC SOLENOID; Special Features: ENGINE RETARDER ASSEMBLY CONTENTS: HOUSING ENG RETARDER, CHECK VALVES, SOLENOID VALVES, HYDRAULIC PISTONS, HELICAL SPRINGS, RETAINING RINGS, WASHERS, SPRINGS, O-RINGS, PACKING, NUTS, MOUNTING PLATE, SCREW CAPS, SETSCREWS, J-LASH ASSEMBLY; P/L ON PG 28-1 OF TM9-2320-363-24P SECTION II; End Item Identification: TRUCK TRACTOR M915A3; NSN 2320-01-432-4847; CONTRACT NUMBER DAAE07-96-C-X076 FREIGHLINER CORP CAGE 64678. 2 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.