Product Details | NON-WIRE WOUND VARIABLE RESISTOR

5905-00-138-4237 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: 9381810001, 938-181-0001, 5905-00-138-4237, 00-138-4237, 5905001384237, 001384237

Electrical and Electronic Equipment Components | Resistors

Supply Group (FSG) NSN Assign. NIIN
59 28 JUL 1971 00-138-4237

Cross Reference | NSN 5905-00-138-4237

Part Number Cage Code Manufacturer
938-181-0001 25413 BETATRONIX (DE), LLC
938-181-0001 95542 NORTHROP GRUMMAN SYSTEMS CORPORATION

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Technical Data | NSN 5905-00-138-4237

Characteristic Specifications
PILOT DIAMETER RUNOUT 0.00100 INCHES
MOUNTING LIP DIAMETER 1.05200 INCHES MINIMUM AND 1.07200 INCHES MAXIMUM
OVERALL DIAMETER 1.376 INCHES NOMINAL
MAXIMUM STARTING TORQUE 0.50 INCH-OUNCES
PILOT LENGTH 0.06200 INCHES NOMINAL
UNABLE TO DECODE UNABLE TO DECODE
TERMINAL TYPE AND QUANTITY 3 TURRET
PILOT DIAMETER 0.96830 INCHES MINIMUM AND 0.96880 INCHES MAXIMUM
SHAFT RUNOUT 0.001 INCHES
TERMINAL LENGTH 0.375 INCHES NOMINAL
UNABLE TO DECODE UNABLE TO DECODE
BODY LENGTH 0.687 INCHES MAXIMUM
ACTUATOR TYPE SINGLE SHAFT
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS -250.0/+250.0 SINGLE SECTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION 315.0 MINIMUM AND 325.0 MAXIMUM
UNDERCUT DIAMETER 1.015 INCHES MAXIMUM
STANDARD TAPER CURVE PER SECTION A SINGLE SECTION
MOUNTING LIP DEPTH 0.06200 INCHES NOMINAL
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG 330.0 NOMINAL
TERMINAL LOCATION RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
SHAFT DIAMETER 0.1245 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM
ELECTRICAL RESISTANCE PER SECTION 5.000 KILOHMS SINGLE SECTION
SHAFT LENGTH 0.375 INCHES NOMINAL
OVERALL LENGTH 1.062 INCHES NOMINAL
MOUNTING METHOD CLAMP RING
BODY DIAMETER 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
SHAFT RADIAL PLAY 0.001 INCHES
SECTION QUANTITY 1
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER 40.0 SINGLE SECTION
POWER DISSIPATION RATING PER SECTION IN WATTS 2.0 FREE AIR SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER 125.0 SINGLE SECTION
ACTUATOR TRAVEL CONTROL FEATURE STOPS
RESISTANCE TOLERANCE PER SECTION IN PERCENT -10.0/+10.0 SINGLE SECTION
SHAFT END PLAY 0.00600 INCHES
MAXIMUM RUNNING TORQUE 0.20 INCH-OUNCES
UNDERCUT WIDTH 0.05700 INCHES MINIMUM
UNABLE TO DECODE UNABLE TO DECODE

Restrictions/Controls & Freight Information | NSN 5905-00-138-4237

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:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 062960 REOSTATS/PARTS NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 658 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 5905-00-138-4237

Category Code Description
Cognizance Codes1RAeronautical, photographic, and meteorological material (consumable or expense type material)
Naval Inventory Control Point, Philadelphia
Special Material IDXEI-CAP II peculiarAIRCRAFT(EA-6B)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityMMedium Demand Velocity Items (consumables)
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each