NSN 5985-00-404-5221 792, 990C929H02, 00-404-5221
Product Details | VARIABLE ATTENUATOR
5985-00-404-5221 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: 792, 990C929H02, 5985-00-404-5221, 00-404-5221, 5985004045221, 004045221
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 06 AUG 1969 | 00-404-5221 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-00-404-5221
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Technical Data | NSN 5985-00-404-5221
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 2.000 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.00 |
| POWER RATING | 10.0 WATTS AVERAGE |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 1.0 |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 20.0 |
| ATTENUATION VARIATION METHOD | CONTINUOUS |
| BODY STYLE | 13A COAXIAL TYPE |
| OVERALL LENGTH | 5.000 INCHES NOMINAL |
| OVERALL HEIGHT | 1.530 INCHES NOMINAL |
| OVERALL WIDTH | 4.000 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| TERMINAL TYPE AND QUANTITY | 1 CONNECTOR, COAXIAL, MALE AND 1 CONNECTOR, COAXIAL, FEMALE |
| COAXIAL CONNECTOR SERIES DESIGNATION | N |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.190 INCHES |
| MOUNTING THREAD QUANTITY | 32 PER INCH |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 4.300 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.880 INCHES NOMINAL |
| TEST DATA DOCUMENT | 18323-990C929H02 DRAWING |
Restrictions/Controls & Freight Information | NSN 5985-00-404-5221
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| 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 |
|---|---|---|
| No Freight Information | ||