Product Details | NONPRECISION NONWIRE WOUND VARIABLE RESISTOR

5905-00-021-6404 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: MILR945, MILR94-5, RV4LAYSA351C, 5905-00-021-6404, 00-021-6404, 5905000216404, 000216404

Electrical and Electronic Equipment Components | Resistors

Supply Group (FSG) NSN Assign. NIIN
59 15 MAY 1968 00-021-6404

Drawings & Photos | NSN 5905-00-021-6404


Demand History | NSN 5905-00-021-6404

Part Number Request Date QTY Origin
MILR945 2012-04-114 1 US

Cross Reference | NSN 5905-00-021-6404

Part Number Cage Code Manufacturer
MILR94-5 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
RV4LAYSA351C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5905-00-021-6404

Characteristic Specifications
SECTION QUANTITY 1
ELECTRICAL RESISTANCE PER SECTION 350.0 OHMS SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT -10.0 TO 10.0 SINGLE SECTION
STANDARD TAPER CURVE PER SECTION C SINGLE SECTION
MAXIMUM STOP TORQUE 128.00 INCH-OUNCES
MAXIMUM STARTING TORQUE 6.00 INCH-OUNCES
POWER DISSIPATION RATING PER SECTION IN WATTS 1.0 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 120.0 SINGLE SECTION
BODY STYLE 1B CYLINDRICAL BUSHING MOUNTED
BODY DIAMETER 1.032 INCHES MINIMUM AND 1.156 INCHES MAXIMUM
BODY LENGTH 0.468 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
MOUNTING BUSHING LENGTH 0.500 INCHES NOMINAL
ACTUATOR TYPE SINGLE SHAFT
SHAFT STYLE 3C ROUND, SLOTTED
SHAFT DIAMETER 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SHAFT LENGTH 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG 309.0 MINIMUM AND 320.0 MAXIMUM
ACTUATOR TRAVEL CONTROL FEATURE STOPS
NONTURN DEVICE LOCATION AT 9 OCLOCK
NONTURN DEVICE RADIUS 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM
MOUNTING METHOD LOCKING BUSHING
SCREW THREAD SERIES DESIGNATOR UNEF
SCREW THREAD DIAMETER 0.375 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH 32.0
TERMINAL TYPE AND QUANTITY 3 TAB, SOLDER LUG
TERMINAL LENGTH 0.359 INCHES MAXIMUM
TERMINAL LOCATION RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
RELIABILITY INDICATOR NOT ESTABLISHED
TEST DATA DOCUMENT 81349-MIL-R-94 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
III OVERALL LENGTH 1.062 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
III OVERALL DIAMETER 1.515 INCHES MAXIMUM
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILR94-5
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE RV4LAYSA351C

Restrictions/Controls & Freight Information | NSN 5905-00-021-6404

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: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 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 5905-00-021-6404

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 CodesXSEMIACTIVE 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each