Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR

5905-01-107-8749 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: MIL-R-12934/5, MILR129345, RR3000C2A9K103, 5905-01-107-8749, 01-107-8749, 5905011078749, 011078749

Electrical and Electronic Equipment Components | Resistors

Supply Group (FSG) NSN Assign. NIIN
59 14 FEB 1981 01-107-8749

Drawings & Photos | NSN 5905-01-107-8749


Cross Reference | NSN 5905-01-107-8749

Part Number Cage Code Manufacturer
MIL-R-12934/5 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
RR3000C2A9K103 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5905-01-107-8749

Characteristic Specifications
SECTION QUANTITY 1
ELECTRICAL RESISTANCE PER SECTION 10.0 KILOHMS 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 -0.05 TO 0.05 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 0.1
SHAFT BEARING TYPE BEARING
SHAFT END PLAY 0.005 INCHES
MAXIMUM STARTING TORQUE 1.50 INCH-OUNCES
MAXIMUM RUNNING TORQUE 1.00 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 6.0 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 2.8750 INCHES NOMINAL
PILOT LENGTH 0.0620 INCHES NOMINAL
UNDERCUT DIAMETER 2.875 INCHES MAXIMUM
UNDERCUT WIDTH 0.0730 INCHES MINIMUM
BODY DIAMETER 3.000 INCHES NOMINAL
BODY LENGTH 1.312 INCHES MAXIMUM
MOUNTING LIP DIAMETER 3.0000 INCHES NOMINAL
MOUNTING LIP DEPTH 0.0930 INCHES NOMINAL
ACTUATOR TYPE SINGLE SHAFT
SHAFT STYLE 1C ROUND
SHAFT DIAMETER 0.2494 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
SHAFT LENGTH 0.625 INCHES NOMINAL
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG 360.0 NOMINAL
ACTUATOR TRAVEL CONTROL FEATURE STOPS
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
TEST DATA DOCUMENT 81349-MIL-R-12934 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-R-12934/5 GOVERNMENT SPECIFICATION
III OVERALL LENGTH 1.968 INCHES MAXIMUM
III UNPACKAGED UNIT WEIGHT 8.00 OUNCES
III FRAGILITY FACTOR RUGGED
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-R-12934/5

Restrictions/Controls & Freight Information | NSN 5905-01-107-8749

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Electro-static Discharge Susceptible:BESD sensitivity
Precious Metals Indicator Code:AItem 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 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 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 5905-01-107-8749

Category Code Description
Materiel Category and Inventory ManagerQ Electronics Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code4 Communications Systems Agency and Satellite Communications
Weapons Systems/End Item or Homogeneous Group4VSATCOM
Accounting Requirements CodeX 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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Budget Code9 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 CodeEHSX:ELECTRONIC COMPONENTS
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical 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 CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each