NSN 6660-00-955-3351 ANFMN1, 880007, 00-955-3351
Product Details | VISUAL DISTANCE COMPUTER
6660-00-955-3351 A computer for determining the distance that can be seen by an observer, such as an aircraft pilot, to a predetermined point, such as the approach end of an airport runway. It is a component of a meteorological system for establishing criteria during the approach phase of an instrument landing under marginal or zero visibility conditions. See also COMPUTER, AIR TRAFFIC CONTROL.
Part Alternates: ANFMN1, 880007, 6660-00-955-3351, 00-955-3351, 6660009553351, 009553351
Instruments and Laboratory Equipment | Meteorological Instruments and Apparatus
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 01 JAN 1962 | 00-955-3351 | 00433 ( COMPUTER, VISUAL DISTANCE ) |
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Technical Data | NSN 6660-00-955-3351
| Characteristic | Specifications |
|---|---|
| INPUT INTELLIGENCE TYPE | AIR DATA |
| INTELLIGENCE INPUT METHOD | ELECTRICAL |
| OUTPUT INTELLIGENCE TYPE | RANGE |
| INDICATOR TYPE | DIGITAL DISPLAY |
| POWER SOURCE | EXTERNAL |
| ALTERNATING CURRENT VOLTAGE RATING IN VOLTS | 110.0 220.0 |
| FREQUENCY IN HERTZ | 50.0 60.0 |
| PHASE | SINGLE |
| SPECIAL FEATURES | SOLID STATE DIGITAL SYSTEM ACCURACY PLUS OR MINUS OVER FULL RANGE OF RUNWAY VISUAL RANGE VALUES |
| III UNPACKAGED UNIT WIDTH | 19.00 INCHES NOMINAL |
| III UNPACKAGED UNIT HEIGHT | 24.00 INCHES NOMINAL |
| III SUPPLEMENTARY FEATURES | USES PHOTOELECTRIC MEMORY DRUM FOR TRANSMISSIVITY STORAGE TABLES AND RVR VALUES; PROVIDES 10 READING AVERAGE OF RVR VALUES; PROVIDES RVR OUTPUT SIGNAL CIRCUITRY FOR RANDOM SAMPLING BY AN AUXILIAR MESSAGE DEVICE; CONTAINS BUILT-IN TEST CIRCUITS; + OR - INDICATIONS PROVIDED FOR RVR VALUES GREATER THAN 6000 FT OR LESS THAN 1000 FT; RETAINS PREV RVR VALUE ON VISUAL DISPLAY DURING BACKGROUND CORRECTION PROCEDURE |
| III FUNCTIONAL DESCRIPTION | USES INPUTS FROM TRANSMISSOMETER SET TO COMPUTE RUNWAY VISUAL RANGE,DISPLAYS RESULTS ON 2-CHARACTER PRESENTATION WHICH ARE COMPATIBLE W/TABLES OF US WEATHER BUREAU |
| MANUFACTURERS CODE | 20284 |
| DESIGN CONTROL REFERENCE | 880007 |
Restrictions/Controls & Freight Information | NSN 6660-00-955-3351
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | N | The item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). |
| 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 | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |