NSN 5985-01-172-3164 3290-67-0.25-1, 3290670251, 404930
Product Details | VARIABLE ATTENUATOR
5985-01-172-3164 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: 3290-67-0.25-1, 3290670251, 404930, 5985-01-172-3164, 01-172-3164, 5985011723164, 011723164
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 19 FEB 1984 | 01-172-3164 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-01-172-3164
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Technical Data | NSN 5985-01-172-3164
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.5 TO 64.0 |
| ATTENUATION VARIATION METHOD | CONTINUOUS |
| BODY STYLE | 39A RECTANGULAR, TERMINALS ON ONE SURFACE |
| OVERALL LENGTH | 8.625 INCHES NOMINAL |
| OVERALL HEIGHT | 0.250 INCHES NOMINAL |
| OVERALL WIDTH | 2.625 INCHES NOMINAL |
| BUSHING LENGTH | 0.031 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 ELECTRONIC, PROGRAMMABLE |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, RECEPTACLE |
| COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 BRACKET |
| MOUNTING FACILITY PATTERN | TWO POSITION IN-LINE |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 7.500 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 7.625 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.750 INCHES MINIMUM AND 1.562 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT | 1.573 INCHES NOMINAL |
| III END ITEM IDENTIFICATION | FA9851/1 |
| MANUFACTURERS CODE | 20284 |
| DESIGN CONTROL REFERENCE | 404930 |
Restrictions/Controls & Freight Information | NSN 5985-01-172-3164
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 | ||