304989
View detailed technical data, stock status, and sourcing information for: 304989
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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, and the like, 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.
0.250 inches nominal shaft diameter, 1.312 inches nominal body diameter, cylindrical bushing mounted body style, 1 section quantity, not established reliability indicator
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Section Quantity
- 1
- Body Style
- cylindrical bushing mounted
- Reliability Indicator
- not established
- Body Diameter
- 1.312 inches nominal
- Shaft Diameter
- 0.250 inches nominal
- Shaft Length
- 3.000 inches nominal
- Mounting Bushing Length
- 0.375 inches nominal
- Body Length
- 0.438 inches nominal
- Shaft Style
- round
- Actuator Type
- single shaft
- Effective Electrical Rotation In Deg Angular Rotation
- 330.0 nominal
- Nonturn Device Radius
- 0.438 inches nominal
- Screw Thread Diameter
- 0.375 inches nominal
- Screw Thread Series Designator
- unef
- Screw Thread Quantity Per Inch
- 32.0
- Mounting Method
- standard bushing
- Features Provided
- humidity proof
- Electrical Resistance Per Section
- 20.0 kilohms single section
- Rotary Actuator Travel In Angular Deg
- 330.0 nominal
- Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power
- 105.0 single section
- Device Design Type
- nonturn at 9 oclock
- Terminal Location
- radially positioned over less than half the circumference
- Temp Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
- -400.0 to 900.0 single section
- Power Dissipation Rating Per Section In Watts
- 0.5 free air single section
- Resistance Tolerance Per Section In Percent
- -20.0 to 20.0 single section
- Actuator Travel Control Feature
- stops
- Ambient Temp In Deg Celsius Per Section At Full Rated Power
- 40.0 single section
- Terminal Type And Quantity
- 3 tab, solder lug
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5905-00-499-2076 | No Name Available | 04/21/1971 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 304989 | Resistor,variable,nonwire Wound, |
| 311-0041-02 | Resistor,variable,nonwire Wound, |
| 311-0554-00 | Resistor,variable,nonwire Wound, |
| BA826-034 | Resistor,variable,nonwire Wound, |
| CM35249 | Resistor,variable,nonwire Wound, |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5905-00-072-8070?
Does the NSN 5905-00-072-8070 have a Schedule B code assigned?
Does NSN 5905-00-072-8070 require demilitarization?
Does NSN 5905-00-072-8070 contain precious materials?
Does NSN 5905-00-072-8070 contain hazardous materials?
When the NSN 5905-00-072-8070 was assigned to the Federal Catalog?
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