NSN 5905-01-084-9938 SMA7017081, SM-A-701708-1, 12001439
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-01-084-9938 A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity) of the output is equal to or less than plus or munus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see RESISTOR, ADJUSTABLE, For items with step by step variation, see RHEOSTAT and RESISTOR, STEP BY STEP. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see ATTENUATOR, VARIABLE. Excludes RESISTOR (1), VARIABLE, NONWIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND, PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, NONPRECISION.
Part Alternates: SMA7017081, SM-A-701708-1, 12001439, 1200-1439, 5905-01-084-9938, 01-084-9938, 5905010849938, 010849938
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 28 OCT 1979 | 01-084-9938 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-01-084-9938
Cross Reference | NSN 5905-01-084-9938
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Related Products | NSN 5905-01-084-9938
Technical Data | NSN 5905-01-084-9938
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 1 |
| ELECTRICAL RESISTANCE PER SECTION | 200.0 OHMS SINGLE SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -3.0 TO 3.0 SINGLE SECTION |
| FUNCTION CONFORMITY PER SECTION | SINGLE SECTION INDEPENDENT LINEARITY |
| FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR |
| FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.50 TO 0.50 SINGLE SECTION |
| SHAFT RUNOUT | 0.002 INCHES |
| LATERAL RUNOUT | 0.002 INCHES |
| PILOT DIAMETER RUNOUT | 0.001 INCHES |
| SHAFT RADIAL PLAY | 0.002 INCHES |
| MECHANICAL BACKLASH IN DEG ANGULAR ROTATION | 0.25 |
| SHAFT END PLAY | 0.005 INCHES |
| MAXIMUM STARTING TORQUE | 0.30 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 0.25 INCH-OUNCES |
| TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -50.0 TO 50.0 SINGLE SECTION |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 1.25 FREE AIR SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 70.0 SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 125.0 SINGLE SECTION |
| BODY STYLE | 5B CYLINDRICAL SERVO MOUNTED |
| PILOT DIAMETER | 0.7500 INCHES NOMINAL |
| PILOT LENGTH | 0.0620 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.781 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.0570 INCHES MINIMUM |
| BODY DIAMETER | 0.875 INCHES NOMINAL |
| BODY LENGTH | 0.812 INCHES MAXIMUM |
| MOUNTING LIP DIAMETER | 0.8750 INCHES NOMINAL |
| MOUNTING LIP DEPTH | 0.0620 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 2C ROUND, FLATTED |
| FIRST FLAT LENGTH | 0.210 INCHES NOMINAL |
| FLAT HEIGHT | 0.050 INCHES NOMINAL |
| SHAFT DIAMETER | 0.1245 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM |
| SHAFT LENGTH | 1.530 INCHES NOMINAL |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 360.0 NOMINAL |
| ACTUATOR TRAVEL CONTROL FEATURE | CONTINUOUS MOTION |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 350.0 NOMINAL |
| MOUNTING METHOD | CLAMP RING |
| TERMINAL TYPE AND QUANTITY | 3 TURRET |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| SPECIAL FEATURES | 0.140 IN. LG,0.115 IN. DIA UNDERCUT ON SHAFT 0.600 IN. FROM MTG SURFACE |
Restrictions/Controls & Freight Information | NSN 5905-01-084-9938
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| 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 | 062960 | REOSTATS/PARTS NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 72D | 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 5905-01-084-9938
Army| Category | Code | Description |
|---|---|---|
| Materiel Category and Inventory Manager | Q | Electronics Materiel (DLA/GSA Items) |
| Appropriation and Budget Activity | 2 | Stock Fund Secondary Items |
| Management Inventory Segment | 2 | NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable. |
| Specific Group/Generic Code | S | Surveillance Target Acquisition and Night Observation (STANO) |
| Weapons Systems/End Item or Homogeneous Group | SC | Airborne Sensor |
| Accounting Requirements Code | X | Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DA | Department of the Army |
| Service Organization | A | U.S. Army |
| Reparability | Z | This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| 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 |