PartsTable
Technical Data Sheet
539811-1 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include base_style: MEDIUM SCREW, bulb_style: R (REFLECTOR), overall_length: 3.938 INCHES MAXIMUM IN, voltage_rating: 115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM, wattage_rating: 50.000 WATTS, bulb_designator: R-20. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-959-6735, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
539811-1
NSN: 6240-00-959-6735
FSC: 6240
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
base_styleMEDIUM SCREW
bulb_styleR (REFLECTOR)
overall_length3.938 INCHES MAXIMUM IN
voltage_rating115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM
wattage_rating50.000 WATTS
bulb_designatorR-20
light_beam_typeFLOOD
rated_average_lifeHOURS
light_output_rating425.000 LUMENS NOMINAL SINGLE RATING
filament_designationC-7A A
average_life_rating_in_hours2000.0
emitted_light_characteristicWHITE
NSN6240-00-959-6735
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 539811-1 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
AVERAGE LIFE RATING IN HOURS: 2000.0
WATTAGE RATING: 50.000 WATTS
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
EMITTED LIGHT CHARACTERISTIC: WHITE
RATED AVERAGE LIFE: HOURS
BULB STYLE: R (REFLECTOR)
BULB DESIGNATOR: R-20
LIGHT BEAM TYPE: FLOOD
TECHNICAL CHARACTERISTICS (FLIS)
AVERAGE LIFE RATING IN HOURS2000.0
WATTAGE RATING50.000 WATTS
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
EMITTED LIGHT CHARACTERISTICWHITE
RATED AVERAGE LIFEHOURS
BULB STYLER (REFLECTOR)
BULB DESIGNATORR-20
LIGHT BEAM TYPEFLOOD
VOLTAGE RATING115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSLUCENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
0117-1Interchangeable
interchangeable cross-reference
interchangeable
73-82071-6Interchangeable
interchangeable cross-reference
interchangeable
118016Interchangeable
interchangeable cross-reference
interchangeable
2012-0196Interchangeable
interchangeable cross-reference
interchangeable
R18Interchangeable
interchangeable cross-reference
interchangeable
450-00-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 539811-1?
539811-1 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 539811-1?
There are 14 known substitutes for 539811-1: 0117-1, 73-82071-6, 118016 and 11 more. Substitute compatibility should be verified for your specific system.
Is 539811-1 still available?
539811-1 is currently cancelled.
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