NSN 6620-00-663-4275 981B4022, 981B4-022, 00-663-4275
Product Details | ELECTRICAL TACHOMETER INDICATOR
6620-00-663-4275 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: 981B4022, 981B4-022, 6620-00-663-4275, 00-663-4275, 6620006634275, 006634275
Instruments and Laboratory Equipment | Engine Instruments
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 01 JAN 1963 | 00-663-4275 | 08260 ( INDICATOR, ELECTRICAL TACHOMETER ) |
Cross Reference | NSN 6620-00-663-4275
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 981B4-022 | 89944 | KOLLSMAN, INC. |
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Technical Data | NSN 6620-00-663-4275
| Characteristic | Specifications |
|---|---|
| ELECTRICAL CONNECTION QUANTITY | 2 |
| ELECTRICAL CONNECTION IDENTIFYING NUMBER | PART NO. X-814-8-1 |
| PRESENTATION TYPE | SYNCHRO MOTOR |
| INDIVIDUAL MARKING | MARKED W/STRAIGHT BLACK LINE IN CENTER; R |
| CURRENT TYPE | AC |
| CONTACT QUANTITY | 3 |
| CONTACT TYPE | PIN |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| MOUNTING STUD DIAMETER | 0.1695 INCHES NOMINAL |
| WIDTH | 3.250 INCHES NOMINAL |
| HEIGHT | 3.250 INCHES NOMINAL |
| DEPTH | 5.250 INCHES NOMINAL |
| III FSC APPLICATION DATA | ENGINE INSTRUMENT AIRCRAFT |
| MANUFACTURERS CODE | 89944 |
| DESIGN CONTROL REFERENCE | 981B4-022 |
Restrictions/Controls & Freight Information | NSN 6620-00-663-4275
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 177220 | SPEED INDICATORS/HEADS/ODOMETERS |
| Less than car load rating | J | 100.2 |
| Less than truck load rating | J | 100.2 |
| Water commodity Code | 657 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |