NSN 5985-00-009-4475 70499, 704-99, 704B99
Product Details | VARIABLE ATTENUATOR
5985-00-009-4475 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: 70499, 704-99, 704B99, 704B-99, 5985-00-009-4475, 00-009-4475, 5985000094475, 000094475
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 04 AUG 1972 | 00-009-4475 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-00-009-4475
Demand History | NSN 5985-00-009-4475
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5985-00-009-4475 | 2008-11-317 | 36 | US |
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Technical Data | NSN 5985-00-009-4475
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.000 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.50 |
| POWER RATING | 2.0 WATTS AVERAGE AND 2.0 KILOWATTS PEAK |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 99.0 |
| SEGMENT ATTENUATION RANGE IN DECIBELS | 1.00 TO 9.00 AND 10.00 TO 19.00 AND 20.00 TO 29.00 AND 30.00 TO 39.00 AND 40.00 TO 49.00 AND 50.00 TO 59.00 AND 60.00 TO 69.00 AND 70.00 TO 79.00 AND 80.00 TO 89.00 AND 90.00 TO 99.00 |
| SEGMENT ATTENUATION ACCURACY IN DECIBELS | -0.40 TO 0.40 AND -1.00 TO 1.00 AND -1.20 TO 1.20 AND -1.40 TO 1.40 AND -1.50 TO 1.50 AND -1.70 TO 1.70 AND -1.80 TO 1.80 AND -2.00 TO 2.00 AND -2.00 TO 2.00 AND -2.00 TO 2.00 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 99 |
| ATTENUATION PER STEP IN DECIBELS | 1.0 |
| BODY STYLE | 9A COAXIAL TYPE |
| OVERALL LENGTH | 5.938 INCHES NOMINAL |
| OVERALL HEIGHT | 2.719 INCHES NOMINAL |
| OVERALL WIDTH | 7.562 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 2 KNOB |
| TERMINAL TYPE AND QUANTITY | 2 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 | 0.138 INCHES |
| MOUNTING THREAD QUANTITY | 32 PER INCH |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 4.062 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 2.250 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5985-00-009-4475
| 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 |
|---|---|---|
| NMF Description | 061700 | ELEC APPLIANCES/INSTRUMENTS NOI |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | TX | Defense Supply Center Columbus Columbus, OH 43218 |
| 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 | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |