NSN 5985-01-049-7971 100C04931, 100C0493-1, 4010132011
Product Details | VARIABLE ATTENUATOR
5985-01-049-7971 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: 100C04931, 100C0493-1, 4010132011, 4010-1320-11, 5985-01-049-7971, 01-049-7971, 5985010497971, 010497971
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 24 OCT 1977 | 01-049-7971 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-01-049-7971
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Technical Data | NSN 5985-01-049-7971
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| SCHEMATIC DIAGRAM DESIGNATOR | 7D UNBALANCED PI |
| FREQUENCY RANGE | 0.000 HERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.50 |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 1.0 |
| OVERALL ATTENUATION RANGE IN DECIBELS | 6.0 TO 12.0 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 2 |
| ATTENUATION PER STEP IN DECIBELS | 6.0 |
| BODY STYLE | 30A COAXIAL TYPE |
| OVERALL LENGTH | 2.500 INCHES NOMINAL |
| OVERALL HEIGHT | 0.750 INCHES NOMINAL |
| OVERALL WIDTH | 1.750 INCHES NOMINAL |
| COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| III SCALE LINEARITY | LINEAR |
| III OPERATING TEMP RANGE | -65.0 TO 85.0 DEG CELSIUS |
| MANUFACTURERS CODE | 28983 |
| DESIGN CONTROL REFERENCE | 100C0493-1 |
Restrictions/Controls & Freight Information | NSN 5985-01-049-7971
| 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: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| 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 | HD | Naval Inventory Control Point 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 5985-01-049-7971
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |