NSN 5985-00-901-7897 7959, 9197920, 00-901-7897
Product Details | VARIABLE ATTENUATOR
5985-00-901-7897 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: 7959, 9197920, 5985-00-901-7897, 00-901-7897, 5985009017897, 009017897
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1960 | 00-901-7897 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-00-901-7897
Demand History | NSN 5985-00-901-7897
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 7959 | 2016-04-112 | 1 | India |
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Technical Data | NSN 5985-00-901-7897
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.000 KILOHERTZ MINIMUM AND 525.000 KILOHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 600.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | ANY ACCEPTABLE |
| POWER RATING | 1.5 WATTS AVERAGE |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | ANY ACCEPTABLE |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 100.0 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.50 TO 0.50 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 10 |
| ATTENUATION PER STEP IN DECIBELS | 10.0 |
| BODY STYLE | 33A CYLINDRICAL W/SIDE TERMINALS |
| OVERALL LENGTH | 4.750 INCHES NOMINAL |
| OVERALL WIDTH | 2.656 INCHES NOMINAL |
| BODY DIAMETER | 2.250 INCHES NOMINAL |
| BODY LENGTH | 3.812 INCHES MAXIMUM |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| SHAFT TYPE | ROUND |
| SHAFT DIAMETER | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| SHAFT LENGTH | 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM |
| TERMINAL TYPE AND QUANTITY | 12 TAB, SOLDER LUG |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |
| MOUNTING THREAD QUANTITY | 32 PER INCH |
| MOUNTING FACILITY PATTERN | TWO POSITION IN-LINE |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.500 INCHES NOMINAL |
| III OPERATING TEMP RANGE | -55.0 TO 85.0 DEG CELSIUS |
Restrictions/Controls & Freight Information | NSN 5985-00-901-7897
| 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: | 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 | 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 5985-00-901-7897
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9N | Navy-owned stocks of defense electronic material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9E | Defense Supply Center Columbus Columbus, OH 43218 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |