Product Details | NONPRECISION NONWIRE WOUND VARIABLE RESISTOR

5905-00-251-7638 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), if given, of the output is greater than plus or minus 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, WIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, PRECISION.

Part Alternates: R3173, 4114017, 411-4017 , 5905-00-251-7638, 00-251-7638, 5905002517638, 002517638

Electrical and Electronic Equipment Components | Resistors

Supply Group (FSG) NSN Assign. NIIN
59 25 JUL 1969 00-251-7638

Drawings & Photos | NSN 5905-00-251-7638


Cross Reference | NSN 5905-00-251-7638

Part Number Cage Code Manufacturer
R3173 14304 HARRIS CORPORATION DBA HARRIS RF COMMUNICATION

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Technical Data | NSN 5905-00-251-7638

Characteristic Specifications
SECTION QUANTITY 1
ELECTRICAL RESISTANCE PER SECTION 1.0 KILOHMS SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT -10.0 TO 10.0 SINGLE SECTION
STANDARD TAPER CURVE PER SECTION A SINGLE SECTION
MAXIMUM STOP TORQUE 192.00 INCH-OUNCES
MAXIMUM STARTING TORQUE 6.00 INCH-OUNCES
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS -25.0 TO 25.0 SINGLE SECTION
POWER DISSIPATION RATING PER SECTION IN WATTS 2.0 FREE AIR SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER 65.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER 130.0 SINGLE SECTION
BODY STYLE 1B CYLINDRICAL BUSHING MOUNTED
BODY DIAMETER 1.312 INCHES NOMINAL
BODY LENGTH 1.938 INCHES NOMINAL
MOUNTING BUSHING LENGTH 0.281 INCHES NOMINAL
ACTUATOR TYPE SINGLE SHAFT
SHAFT STYLE 1C ROUND
SHAFT DIAMETER 0.250 INCHES NOMINAL
SHAFT LENGTH 0.656 INCHES NOMINAL
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG 9000.0 NOMINAL
ACTUATOR TRAVEL CONTROL FEATURE CLUTCH
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION 9000.0 NOMINAL
MOUNTING METHOD STANDARD BUSHING
SCREW THREAD SERIES DESIGNATOR UNEF
SCREW THREAD DIAMETER 0.375 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH 32.0
FEATURES PROVIDED SHAFT SEAL AND SWITCH
SWITCH TYPE ROTARY
SWITCH OPERATING POSITION START OF ROTATION
SWITCH CONTACT ARRANGEMENT DOUBLE POLE, SINGLE THROW, NORMALLY CLOSED
SWITCH CURRENT TYPE AND RATING IN AMPS 2.000 AC AND 10.000 AC
SWITCH VOLTAGE RATING IN VOLTS 110.0 AND 10.0
TERMINAL TYPE AND QUANTITY 7 TAB, SOLDER LUG
TERMINAL LOCATION RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
RELIABILITY INDICATOR NOT ESTABLISHED

Restrictions/Controls & Freight Information | NSN 5905-00-251-7638

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
Precious Metals Indicator Code:UPrecious 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 5905-00-251-7638

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 CodeR Tactical and Strategic Communications
Weapons Systems/End Item or Homogeneous GroupRDWatercraft Comm
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
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
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