NSN 5985-01-178-8842 1439, 1-439, 89099115
Product Details | VARIABLE ATTENUATOR
5985-01-178-8842 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: 1439, 1-439, 89099115, 5985-01-178-8842, 01-178-8842, 5985011788842, 011788842
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 11 MAY 1984 | 01-178-8842 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-01-178-8842
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Technical Data | NSN 5985-01-178-8842
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.20 AND 1.40 |
| POWER RATING | 1.0 WATTS AVERAGE |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 22.1 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.30 TO 0.30 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 9 |
| ATTENUATION PER STEP IN DECIBELS | 0.1 AND 0.2 AND 0.3 AND 0.5 AND 1.0 AND 2.0 AND 3.0 AND 5.0 AND 10.0 |
| BODY STYLE | 40A COAXIAL TYPE |
| OVERALL LENGTH | 6.500 INCHES NOMINAL |
| OVERALL HEIGHT | 1.312 INCHES NOMINAL |
| OVERALL WIDTH | 1.375 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 9 TOGGLE |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
Restrictions/Controls & Freight Information | NSN 5985-01-178-8842
| 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: | D | Munitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.) |
| 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 | ||