NSN 6620-00-479-9425 SCD7040, SCD7040B, 00-479-9425
Product Details | ELECTRICAL TACHOMETER INDICATOR
6620-00-479-9425 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.2036320000066200018Engine Instruments66800078Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Part Alternates: SCD7040, SCD7040B, 6620-00-479-9425, 00-479-9425, 6620004799425, 004799425
Instruments and Laboratory Equipment | Engine Instruments
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 26 AUG 1970 | 00-479-9425 | 08260 ( INDICATOR, ELECTRICAL TACHOMETER ) |
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Technical Data | NSN 6620-00-479-9425
| Characteristic | Specifications |
|---|---|
| ELECTRICAL CONNECTION QUANTITY | 1 |
| ELECTRICAL CONNECTION IDENTIFYING NUMBER | MS3102E-14S-7P |
| PRESENTATION TYPE | DIAL AND DIGITAL DISPLAY |
| CURRENT TYPE | AC |
| AC VOLTAGE RATING | 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM |
| FREQUENCY RATING | 60.0 HERTZ NOMINAL |
| CONTACT QUANTITY | 7 |
| CONTACT TYPE | PIN |
| LENGTH | 12.000 INCHES NOMINAL |
| WIDTH | 6.100 INCHES NOMINAL |
| HEIGHT | 6.200 INCHES NOMINAL |
| SPECIAL FEATURES | RANGES: 0-70,000 RPM DIGITAL, 0-130.0% RPM DIGITAL AND 0-125% RPM ANALOG; ACCURACY DIGITAL +/- 0.4% OF READING AND ANALOG +/- 1.0% FULL SCALE; READOUT LIGHT DISPLAY, DIGITAL; INPUT SIGNAL TACH GENERATOR MIL-G-9398 ROTATES AT 4200 RPM = 70 CPS WHEN ENGINE IS AT 100% ROTOR SPEED; SAMPLING RATE 0.2 -3 SECONDS |
| III END ITEM IDENTIFICATION | A/M37T ENGINE TEST STAND |
| III SUPPLEMENTARY FEATURES | T.O. 33D4-6-212-41 |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SPEED INDICATOR |
Restrictions/Controls & Freight Information | NSN 6620-00-479-9425
| 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 |
|---|---|---|
| NMF Description | 061700 | ELEC APPLIANCES/INSTRUMENTS NOI |
| Less than car load rating | P | 77.5 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 72D | unknown |
| Originating Activity Code | SX | Oklahoma City Air Logistics Center Tinker AFB, OK 73145-3043 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| Air Special Handling | Q | Extremely fragile items including delicate instruments. |
| Special Handling Code | Q | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |



