54951-20R0

5495120R0 Fixed Composition Resistor
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Quality Commitment

Serving our customers with quality and safety first.

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Datasheet. 54951-20R0 specification

Electrical Resistance
A measure of the opposition to the flow of electrical current.

20.000 ohms

Resistance Tolerance In Percent
The limits of permissible variation in the electrical resistance value of an item from its rated value,expressed in percent.

-5.000/+5.000

Ambient Temp In Deg Celsius At Full Rated Power
The ambient temperature of the medium surrounding an item at which it can be operated continuously at full rated power,expressed in degrees celsius.

70.0

Ambient Temp In Deg Celsius At Zero Percent Rated Power
The ambient temperature at which the power dissipation of an item is operated to zero percent of the full rated power,expressed in degrees celsius.

130.0

Inclosure Method
The means provided to coat,cover,or protect the item.

encapsulated

Terminal Type
Indicates the type of terminals for providing electrical connection to the item.

wire lead

Reliability Indicator
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

Terminal Length
A measurement of the longest dimension of a terminal,in distinction from width.

1.500in.

Body Diameter
The length of a straight line which passes through the center of the body,and terminates at the circumference.

0.090in.

Body Length
A measurement of the longest dimension of the body,in distinction from width.

0.250in.

Power Dissipation Rating In Watts
The maximum amount of electrical energy that can be expended by an item,expressed in watts.

0.250 free air

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

axial terminal each end

Test Data Document
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.

81349-MIL-R-39008 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

81349-MIL-R-39008/1 government specification

Answers.

What is the style?

Axial terminal each end

What is the NSN for 54951-20R0?

5905-00-135-3972

How is this classified for shipping?

Schedule B number: 8533290000
nmfc 062960
Fixed resistors, for a power handling capacity exceeding 20 w

What's the federal classification of 54951-20R0?

FSC 5905 ⁓ Resistors

Excluding resistance wire.

NSN 5905-00-135-3972 RESISTOR,FIXED,COMPOSITION

axial terminal each end

NIIN
001353972
NIIN Date
01/10/69
Schedule B
8533290000 
Name Code
00126
FIIG
A001A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$1.83 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 735502000000 Cage 57112
2. 855011-2000 Cage 55819
3. A8508 Cage 81535
4. 882271 Cage 07342
5. 1-0003-0103-08 Cage 08642
6. RCR07GF200J Cage 81349
7. RCR07GF200JM Cage 81349
8. RC07GF200JS Cage 81349
9. RC07G200JS Cage 81349
10. RCR07G200KM Cage 81349
11. G293447J200 Cage 06KW9
12. RCR07G200JS Cage 81349
13. MIL-R-39008/1 Cage 81349
14. 849766-0200 Cage 65597
15. 137-007-2005 Cage 95542
16. 7902751-21 Cage 90536
17. 855011-2000 Cage 92325
18. RG1-4-20-5PCT Cage 11502
19. 135-0200-12 Cage 22373
20. 849731-0001 Cage 65597
21. 418767-46 Cage 96214
22. 3R152PP200J Cage 33173
23. 12BC2000 Cage 50319
24. CB200HMS5PCT Cage 01121
25. 0683-2005 Cage 28480
26. 3R152-P200J Cage 33173
27. RC07GF200K Cage 37676
28. 900034-200 Cage 55788
29. 307-0115-00 Cage 80009
30. 400-512-022 Cage C3141
31. 41181 32200 Cage D8385
32. 400-512-022 Cage A1997
33. RC09GF200J Cage 81349
34. RCR07G200JM Cage 81349
35. RCR07G200JP Cage 81349
36. RCR07G200JR Cage 81349
37. 10120297 Cage A486G
38. 403-6285 Cage A486G

Major End Users Countries and entities

  • - National Aeronautics And Space Administration 
  • - National Aeronautics And Space Administration 
  • - National Aeronautics And Space Administration 
  • - Department of The Navy 
  • - Department of The Army 
  • - U.s. Marine Corps 
  • - Department of The Air Force 
  • - National Security Agency 
  • - Federal Aviation Administration 
  • - U.s. Coast Guard 
  • - Finland 
  • - Lithuania 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Saudi Arabia 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Philippines 
  • - Netherlands 
  • - Portugal 
  • - Italy 
  • - Norway 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

Major End Items End use applications

  • - Torpedo, mk 48
  • - Countermeasure set, an/slq-32
  • - Support equipment, b-52 aircraft
  • - Direct air support central, an/uyq-3a (v) 2
  • - Support equipment, b-1 aircraft
  • - Teammate, an/trq-32
  • - Communications terminal, satellite an/gsc-39(v)1
  • - Aircraft, sof ( ac-130h, mc-130h, ec-130e, hc-130)
  • - Test consoles, mini-sace
  • - Antenna group
  • - Power supply
  • - Shelter,nonexpandable
  • - Test set,navigation
  • - Circuit card assembly
  • - Speech equipment
  • - Indicator,attitude
  • - Power supply set
  • - Circuit card assembly
  • - Generator,sweep
  • - Plug-in unit,electrical-electronic test equipment
  • - Circuit card assembly
  • - Test program set
  • - Circuit card assembly
  • - Test program set
  • - Oscilloscope
  • - Circuit card assemb
  • - Electronic components assembly
  • - Transmitter group
  • - Meter,noise level
  • - Oscillating group
  • - Circuit card assembly
  • - Circuit card assembly
  • - Test program set
  • - Transmitter group
  • - Circuit card assembly
  • - Comparator,computer
  • - Test set verdical
  • - Generator,signal
  • - Circuit card assembly
  • - Charger,battery
  • - Circuit card assembly
  • - Transmitter subassembly
  • - Amplifier,electronic control
  • - Plug-in unit,electrical-electronic test equipment
  • - Electronic components assembly
  • - Circuit card assembly
  • - Computer,stall prev
  • - Indicator set,liquid quantity
  • - Guidance section,guided missile,training
  • - Power supply subassembly
  • - Navigational set,in
  • - Comparator,ac-ac
  • - Oscilloscope
  • - Generator,sweep
  • - Programmer,microcircuit
  • - Module,synchro
  • - Circuit card assembly
  • - Indicator,liquid quantity
  • - Receiver,radio
  • - Generator,signal
  • - Circuit card assembly
  • - Control box,electrical/electronic,aircraft air temperature
  • - Power supply
  • - Circuit card assembly
  • - Circuit card assembly
  • - Oscilloscope
  • - Desensitizer,altime
  • - Indicator,liquid quantity
  • - Amplifier-modulator
  • - Module,amplifier-eq
  • - Circuit card assembly
  • - Circuit card assembly
  • - Module,filter
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Amplifier,radio frequency
  • - Circuit card assembly
  • - Multimeter
  • - Circuit card assembly
  • - Indicator,range
  • - Circuit card assembly
  • - Radar,surveillance
  • - Circuit card assembly
  • - Electronic components assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Power supply subassembly
  • - Receiving set,radio
  • - Circuit card assembly
  • - Circuit card assembly
  • - Receiving set,radio
  • - Circuit card assembly
  • - Converter assembly
  • - Circuit card assembly
  • - Receiving set,radio
  • - Circuit card assembly
  • - Circuit card assembly
  • - Receiver-transmitter,radio
  • - Circuit card assembly
  • - Circuit card assembly
  • - Distribution box
  • - Circuit card assembly
  • - Transmitter subassembly
  • - Power section assy
  • - Converter-interface
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Plug-in unit,electrical-electronic test equipment
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Test set,telephone
  • - Oscilloscope
  • - Power supply
  • - Radar,surveillance
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Airborne data annot
  • - Message entry devic
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Receiver-transmitter,radio
  • - Circuit card assembly
  • - Oscillator subassembly
  • - Receiver,radio
  • - Receiver,transmitte
  • - Test set,control
  • - Indicator,attitude
  • - Digital data modem
  • - Circuit card assembly
  • - Amplifier,video
  • - Receiving set,radio
  • - Amplifier-power supply
  • - Charger,battery
  • - Test set,telephone
  • - Circuit card assembly
  • - Tracking generator,
  • - Circuit card assembly
  • - Circuit card assembly
  • - Adapter,power supply
  • - Plug-in unit,electrical-electronic test equipment
  • - Oscilloscope
  • - Converter,power
  • - Test set,radar
  • - Generator,reference signal
  • - Oscilloscope
  • - Circuit card assembly
  • - Modem,digital data
  • - Receiver,radio
  • - Amplifier-modulator
  • - Purge and pill unit
  • - Oscillating group
  • - Indicator,symbol indicating
  • - Amplifier subassembly
  • - Test set,signal generator
  • - Test set,transistor
  • - Amplifier,radio frequency
  • - Controller,test,guided missile system
  • - Oscilloscope
  • - Voice terminal
  • - Magnetic tape recor
  • - Circuit card assembly
  • - Electronic components assembly
  • - Converter,frequency,static
  • - Electronic components assembly
  • - Generator,signal
  • - Counter,electronic,digital readout
  • - Test stand,gyro sta
  • - Oscilloscope
  • - Intermediate freque
  • - Receiver-transmitter,radio
  • - Oscilloscope
  • - Radio interference measuring set
  • - Central office,tele
  • - Magnetic tape recor
  • - Control,modem,digit
  • - Telephone set
  • - Adapter assembly,interface device
  • - Indicator,liquid quantity
  • - Indicator,liquid quantity
  • - Oscillator subassembly
  • - Test set,audio
  • - Test program set
  • - Indicator,liquid quantity
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Multiplexer
  • - Switching system ai
  • - Circuit card assembly
  • - Circuit card assembly
  • - Indicator set,liquid quantity
  • - Countermeasures set
  • - Test facilities kit
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Test program set
  • - Amplifier,radio frequency
  • - Measuring set envel
  • - Circuit card assembly
  • - Multimeter
  • - Charger,battery
  • - Fire direction cent
  • - Oscilloscope
  • - Test set,gyro stabi
  • - Signal generator subassembly
  • - Transport,magnetic tape
  • - Circuit card assembly
  • - Circuit card assembly
  • - Beacon set,radio
  • - Circuit card assembly
  • - Radiac training set
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Meter,audio level
  • - Circuit card assembly
  • - Circuit card assembly
  • - Fire direction cent
  • - Counter,electronic,digital readout
  • - Circuit card assembly
  • - Circuit card assembly
  • - Radar set subassembly
  • - Power supply subassembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Oscilloscope
  • - Simulator,radar signal
  • - Resistor,decade
  • - Synthesizer,electrical frequency
  • - Circuit card assembly
  • - Circuit card assembly
  • - Power supply subassembly
  • - Circuit card assembly
  • - Counter,electronic,digital readout
  • - Circuit card assembly
  • - Receiver,radio
  • - Circuit card assembly
  • - Terminal,communicat
  • - Amplifier,radio frequency
  • - Circuit card assembly
  • - Circuit card assembly
  • - Receiver subassembly,radar
  • - Circuit card assembly
  • - Test set,transponder set
  • - Receiver,radio
  • - Circuit card assembly
  • - Circuit card assembly
  • - Test set,transistor
  • - Circuit card assembly
  • - Receiver group
  • - Receiving set,radio
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Circuit card assembly
  • - Receiver,radio
  • - Power supply
  • - Oscilloscope
  • - Generator,signal
  • - Testset,countermeas
  • - Oscilloscope

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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

54951-20R0 / Resistor,fixed,compositionWhat is the formal definition of this item?

A resistor whose ohmic value cannot be adjusted or varied. the resistance element consists of a mixture of carbon, an insulating material, and suitable binders, either molded together or applied as a thin layer of conducting material on an insulated form. the opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the item itself. see also attenuator, fixed; resistor, fixed, film; and resistor, thermal. excludes suppressor, ignition interference.