NSN 5905-00-950-9230 MILR8903, MIL-R-8903, RRL16A203
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-950-9230 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: MILR8903, MIL-R-8903, RRL16A203, 291733, 5905-00-950-9230, 00-950-9230, 5905009509230, 009509230
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1962 | 00-950-9230 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-950-9230
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Related Products | NSN 5905-00-950-9230
Technical Data | NSN 5905-00-950-9230
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 1 |
| ELECTRICAL RESISTANCE PER SECTION | 20.0 KILOHMS SINGLE SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -1.0 TO 1.0 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 |
| LATERAL RUNOUT | 0.001 INCHES |
| PILOT DIAMETER RUNOUT | 0.001 INCHES |
| SHAFT RADIAL PLAY | 0.001 INCHES |
| SHAFT BEARING TYPE | BEARING |
| SHAFT END PLAY | 0.006 INCHES |
| MAXIMUM STARTING TORQUE | 0.60 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 0.60 INCH-OUNCES |
| TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -30.0 TO 30.0 SINGLE SECTION |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 4.0 FREE AIR SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 40.0 SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 105.0 SINGLE SECTION |
| BODY STYLE | 5B CYLINDRICAL SERVO MOUNTED |
| PILOT DIAMETER | 1.9360 INCHES MINIMUM AND 1.9370 INCHES MAXIMUM |
| PILOT LENGTH | 0.0290 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 1.937 INCHES MINIMUM AND 1.938 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.0650 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM |
| BODY DIAMETER | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM |
| BODY LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| MOUNTING LIP DIAMETER | 1.9900 INCHES MINIMUM AND 2.0100 INCHES MAXIMUM |
| MOUNTING LIP DEPTH | 0.0680 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 1C ROUND |
| SHAFT DIAMETER | 0.250 INCHES MAXIMUM |
| SHAFT LENGTH | 0.198 INCHES MINIMUM AND 0.218 INCHES MAXIMUM |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 360.0 NOMINAL |
| ACTUATOR TRAVEL CONTROL FEATURE | CONTINUOUS MOTION |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 319.0 MINIMUM AND 321.0 MAXIMUM |
| MOUNTING METHOD | CLAMP RING |
| TERMINAL TYPE AND QUANTITY | 3 TAB, SOLDER LUG |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| TEST DATA DOCUMENT | 81349-MIL-R-8903 SPECIFICATION |
| SPECIFICATION/STANDARD DATA | 81349-MIL-R-8903 GOVERNMENT SPECIFICATION |
| III OVERALL LENGTH | 1.217 INCHES MINIMUM AND |
Restrictions/Controls & Freight Information | NSN 5905-00-950-9230
| 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 |
| Electro-static Discharge Susceptible: | B | ESD sensitivity |
| 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 | 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 | 3 | Electrostatic Sensitive Device (ESD), subject to damage caused by electrostatic discharge. (See DoD 4500.32-R, Volume 1, Appendix A, Section I for additional information on ESD devices). |
Management | NSN 5905-00-950-9230
Army
Air Force
Navy| 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 | 0 | Medical Materiel |
| Weapons Systems/End Item or Homogeneous Group | 00 | DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item |
| 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 | 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 |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Materiel Management Aggregation Code | EH | SX:ELECTRONIC COMPONENTS |
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Price Validation | V | The current standard price has been validated.
|
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| 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 |