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Datasheet. 2878-250-20000HMS specification
The number of individual elements.
1
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
cylindrical bushing mounted
An indication that the level of probability that an item will operate without failure,at a specified rated capability,at a specified temperature,and for a specified period of time,has been established by testing random samples of production lot.
not established
The length of a straight line which passes through the center of the body,and terminates at the circumference.
2.312in.
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.
0.250in.
A measurement of the longest dimension of the shaft,in distinction from width.
0.688in.
0.375in.
A measurement of the longest dimension of the body,in distinction from width.
1.438in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the shaft.
round
Indicates the type of facility or arrangement provided for moving the variable contact(s).
single shaft
That part of the total rotational travel of the actuator that produces a change in output,expressed in degree angular rotation.
300.0
Indicates the location of a mechanical device which prevents the turning of the item on its mounted surface,expressed by the twelve hour clock designation.
at 6 oclock and at 12 oclock
The linear measurement of the distance from the actuator centerline to the centerline of the nonturn device.
0.500in.
The length of a straight line which passes through the center of a coaxial cylinder which would bound the crest of an external thread or the root of an internal thread.
0.375in.
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unef
The number of screw threads on the item per linear inch measured on a line parallel to the thread axis,including incomplete threads.
32.0
The position of the terminal/s/ for making connection to an item.
radially positioned over less than half the circumference
The means of attaching the item.
standard bushing
A measure of the opposition to the flow of direct or alternating current per section.
2.000 kilohms single section
The measurement of the rotary mechanical motion of the actuating shaft of an item,expressed in degrees.
300.0
The ambient temperature at which the power dissipation of each section is derated to zero percent of the full rated power.
105.0 single section
The maximum amount of electrical energy that can be expended per section,expressed in watts.
25.0 free air single section
The limits of permissible variation in the electrical resistance value per section of an item from its rated value,expressed in percent.
-20.0/+20.0 single section
The feature that controls the actuator travel.
stops
The ambient temperature,expressed in degrees celsius,of the medium surrounding each section at which it can be operated continuously at full rated power.
40.0 single section
The rate of change and distribution of resistance per section,in relation to the rotation of the control shaft,which establishes a standard taper curve designated by an alphabetic character and accepted for common usage.
a single section
Indicates the type and number of terminals for providing electrical connection.
3 screw
Answers.
1EA
Schedule B number: 8533390080
nmfc 062960
Wirewound variable resistors
FSC 5905 ⁓ Resistors
Excluding resistance wire.
NSN 5905-00-257-1419 RESISTOR,VARIABLE,WIRE WOUND,NON
- NIIN
- 002571419
- NIIN Date
- 01/01/61
- Schedule B
- 8533390080
- Name Code
- 37406
- FIIG
- A002A0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $21.83 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- Has ESD sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 2878-2S0-2000 | Cage 24681 |
| 2. | 2878-250-2000OHMS | Cage 20859 |
| 3. | 2878-2S0-2000 | Cage 20859 |
Major End Users Countries and entities
- - Department of The Air Force
- - Canada
Availability for 2878-250-20000HMS A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 77.5
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- Electrostatic sensitive device (esd)
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)
- Commodity (for shipments via water)
- Electrical appliances, small
- NMFC (national motor freight code)
- 062960 REOSTATS/PARTS NOI
- UFC (universal freight code)
- 35140
Similar by Design Other resistors with similar characteristics
Nothing similar to this part number was found in our inventory
2878-250-20000HMS / Resistor,variable,wire wound,nonWhat is the formal definition of this item?
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 of 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, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.
