NSN 5985-00-245-2656 X11032, X1103-2, 2661998
Product Details | VARIABLE ATTENUATOR
5985-00-245-2656 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: X11032, X1103-2, 2661998, 5985-00-245-2656, 00-245-2656, 5985002452656, 002452656
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 09 JUL 1969 | 00-245-2656 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-00-245-2656
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Related Products | NSN 5985-00-245-2656
Technical Data | NSN 5985-00-245-2656
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | WAVEGUIDE |
| FREQUENCY RANGE | 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| VOLTAGE STANDING WAVE RATIO | 1.15 |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 20.0 |
| ATTENUATION VARIATION METHOD | CONTINUOUS |
| BODY STYLE | 1A WAVEGUIDE TYPE |
| OVERALL LENGTH | 2.250 INCHES NOMINAL |
| OVERALL HEIGHT | 2.812 INCHES NOMINAL |
| OVERALL WIDTH | 1.625 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| SHAFT TYPE | ROUND |
| SHAFT DIAMETER | 0.1870 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM |
| SHAFT LENGTH | 0.220 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| WAVEGUIDE FLANGE DESIGNATION | UG-39/U |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 TERMINAL W/MOUNTING HOLES |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.276 INCHES MINIMUM AND 1.284 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM |
| III OPERATING TEMP RANGE | -40.0 TO 85.0 DEG CELSIUS |
| III WAVEGUIDE FLANGE TYPE | CONTACT |
| MANUFACTURERS CODE | 11787 |
| DESIGN CONTROL REFERENCE | X1103-2 |
Restrictions/Controls & Freight Information | NSN 5985-00-245-2656
| 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 |
|---|---|---|
| NMF Description | 061700 | ELEC APPLIANCES/INSTRUMENTS NOI |
| Less than car load rating | ||
| Less than truck load rating | J | 100.2 |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | HH | Navy ICP Mechanicsburg, PA 17055-0788 |
| 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 |
Management | NSN 5985-00-245-2656
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | X | SEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |