NSN 2990-01-491-0252 ESD5500, ESD5500E, 1HARR/126-106
Product Details | GOVERNOR CONTROL UNIT
2990-01-491-0252 A non-aircraft electronic unit that works in conjunction with a governor/actator that continously monitors engine speed, temperature, and air flow and adjusts the fuel control to compensate for changes. It is used with diesel or gas engines, or steam or gas tubines. It may include load sharing capabilities, rotor speed governing, loss-of-load protection and analog or manual back-up modes. It may contain automatic start capability or self-diagnostic circuitry.
Part Alternates: ESD5500, ESD5500E, 1HARR/126-106 , 1HARR126106, 2990-01-491-0252, 01-491-0252, 2990014910252, 014910252
Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | 10 OCT 2001 | 01-491-0252 | 51544 ( CONTROL UNIT, GOVERNOR ) |
Demand History | NSN 2990-01-491-0252
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 2990-01-491-0252 | 2010-12-342 | 1 | US |
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Technical Data | NSN 2990-01-491-0252
| Characteristic | Specifications |
|---|---|
| OVERALL LENGTH | 5.750 INCHES NOMINAL |
| OVERALL WIDTH | 5.500 INCHES NOMINAL |
| SPECIAL FEATURES | 12 OR 24 VDC BATTERY SYSTEM SUPPLY; SPEED SENSOR SIGNAL 0.5-120 VOLTS RMS; AMBIENT TEMPERATURE RANGE M40 TO 180 DEGREES F |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SPEED CONTROL UNIT |
Restrictions/Controls & Freight Information | NSN 2990-01-491-0252
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||