NSN 1285-00-297-6293 002976293
Product Details | VARIABLE ATTENUATOR
1285-00-297-6293 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).
Part Alternates: 002976293
Fire Control Equipment | Fire Control Radar Equipment, except Airborne
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-297-6293 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 1285-00-297-6293
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Related Products | NSN 1285-00-297-6293
Technical Data | NSN 1285-00-297-6293
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.000 MEGAHERTZ MINIMUM AND 10.000 MEGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.20 |
| POWER RATING | 1.0 WATTS PEAK |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 20.0 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.50 TO 0.50 |
| ATTENUATION VARIATION METHOD | CONTINUOUS |
| BODY STYLE | 9A COAXIAL TYPE |
| OVERALL LENGTH | 2.750 INCHES NOMINAL |
| OVERALL HEIGHT | 2.690 INCHES NOMINAL |
| OVERALL WIDTH | 3.000 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| COAXIAL CONNECTOR SERIES DESIGNATION | TNC |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.112 INCHES |
| MOUNTING THREAD QUANTITY | 40 PER INCH |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.690 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT | 2.060 INCHES NOMINAL |
| III OPERATING TEMP RANGE | -20.0 TO 75.0 DEG CELSIUS |
| MANUFACTURERS CODE | 10001 |
| DESIGN CONTROL REFERENCE | 2920080 |
Restrictions/Controls & Freight Information | NSN 1285-00-297-6293
| 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 |
| Controlled Inventory Item Code: | 7 | NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7). |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||