NSN 5985-00-250-4020 A17528B, A1752-8B, 1559
Product Details | VARIABLE ATTENUATOR
5985-00-250-4020 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: A17528B, A1752-8B, 1559, 5985-00-250-4020, 00-250-4020, 5985002504020, 002504020
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-250-4020 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-00-250-4020
Demand History | NSN 5985-00-250-4020
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1559 | 2022-03-90 | 15 | DIBBS |
| 1559 | 2021-09-271 | 7 | DIBBS |
| 1559 | 2019-11-317 | 22 | DIBBS |
| 5985-00-250-4020 | 2018-10-298 | 6 | DIBBS |
| 5985-00-250-4020 | 2014-03-71 | 49 | DIBBS |
| 5985-00-250-4020 | 2014-01-05 | 49 | DIBBS |
| 5985-00-250-4020 | 2013-06-168 | 49 | DIBBS |
| 5985-00-250-4020 | 2013-06-153 | 49 | DIBBS |
| 5985-00-250-4020 | 2013-02-32 | 49 | DIBBS |
| 5985-00-250-4020 | 2009-02-57 | 4 | DIBBS |
| 5985-00-250-4020 | 2009-02-48 | 4 | DIBBS |
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Related Products | NSN 5985-00-250-4020
Technical Data | NSN 5985-00-250-4020
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | AUDIO |
| SCHEMATIC DIAGRAM DESIGNATOR | 8D T |
| FREQUENCY RANGE | 0.000 KILOHERTZ MINIMUM AND 20.000 KILOHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 15.0 INPUT-OUTPUT |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 30.0 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 10 |
| ATTENUATION PER STEP IN DECIBELS | 3.0 |
| BUSHING LENGTH | 0.500 INCHES NOMINAL |
| OVERALL DIAMETER | 2.250 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 3 TAB, SOLDER LUG |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING |
| MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNEF |
| MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.375 INCHES |
| MOUNTING THREAD QUANTITY | 32 PER INCH |
Restrictions/Controls & Freight Information | NSN 5985-00-250-4020
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| 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 | XX | |
| 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 5985-00-250-4020
Navy
Marines| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Combat Essentiality Code | 5 | Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency. |
| Materiel Management Code | B | All CommoditiesDefense Logistics Agency, (DLA,) |
| Echelon Management Code | 2 | ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DM | U.S. Marine Corps |
| Service Organization | M | U.S. Marine Corps |
| Reparability | Z | Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code. |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| 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 | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |