NSN 5985-01-297-2218 100D1768, 295062P1, 01-297-2218
Product Details | VARIABLE ATTENUATOR
5985-01-297-2218 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: 100D1768, 295062P1, 5985-01-297-2218, 01-297-2218, 5985012972218, 012972218
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 31 MAR 1989 | 01-297-2218 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-01-297-2218
Demand History | NSN 5985-01-297-2218
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5985-01-297-2218 | 2007-02-54 | 3 | DIBBS |
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Technical Data | NSN 5985-01-297-2218
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.030 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.40 |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 4.5 |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 85.0 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.15 TO 0.15 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 7 |
| ATTENUATION PER STEP IN DECIBELS | 1.0 AND 2.0 AND 4.0 AND 8.0 AND 10.0 AND 20.0 AND 40.0 |
| BODY STYLE | 41A IRREGULAR |
| OVERALL LENGTH | 3.770 INCHES MINIMUM AND 3.830 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.480 INCHES MINIMUM AND 1.540 INCHES MAXIMUM |
| OVERALL WIDTH | 2.530 INCHES MINIMUM AND 2.590 INCHES MAXIMUM |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 ELECTRONIC, PROGRAMMABLE |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, RECEPTACLE |
| COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.187 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.390 INCHES MINIMUM AND 3.410 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM |
| III OPERATING TEMP RANGE | 0.0 TO 85.0 DEG CELSIUS |
| III SUPPLEMENTARY FEATURES | 5.0 MSEC MAX SWITCHING SPEED |
| III END ITEM IDENTIFICATION | SIGNAL DETECTION AND DIRECTION FINDING SET AN/SRS-1 |
| III FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
Restrictions/Controls & Freight Information | NSN 5985-01-297-2218
| 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. |
| 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 | 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 |
Management | NSN 5985-01-297-2218
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 |