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PartsTable / COMPONENT / QL-505
QL-505 ✓ 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

CAPACITOR,VARIABLE,MICA DIELECTR. Key specifications include shape: CONCAVE, material: ALUMINUM BODY, mounting_method: THREADED STUD(S), special_features: ACCOMMODATES 300 TO 500 WATT LAMP, light_beam_motion: FIXED, light_adjustment_method: SWIVEL ARM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6230-01-011-4837, 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
QL-505
NSN: 6230-01-011-4837
FSC: 6230
CAGE: 08793 — HUBBELL HARVEY INC LIGHTING DIV (USA)
SPECIFICATIONS
shapeCONCAVE
materialALUMINUM BODY
mounting_methodTHREADED STUD(S)
special_featuresACCOMMODATES 300 TO 500 WATT LAMP
light_beam_motionFIXED
light_adjustment_methodSWIVEL ARM
lamp_type_accommodated_and_quantity1 INCANDESCENT
NSN6230-01-011-4837
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,MICA DIELECTR TITLE COMPONENT PN QL-505 MFR CAPACITOR,VARIABLE,MIC
KEY FEATURES
•
MATERIAL: ALUMINUM BODY
•
SHAPE: CONCAVE
•
LIGHT BEAM MOTION: FIXED
•
LAMP TYPE ACCOMMODATED AND QUANTITY: 1 INCANDESCENT
•
MOUNTING METHOD: THREADED STUD(S)
•
LIGHT ADJUSTMENT METHOD: SWIVEL ARM
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM BODY
SHAPECONCAVE
LIGHT BEAM MOTIONFIXED
SPECIAL FEATURESACCOMMODATES 300 TO 500 WATT LAMP
LAMP TYPE ACCOMMODATED AND QUANTITY1 INCANDESCENT
MOUNTING METHODTHREADED STUD(S)
LIGHT ADJUSTMENT METHODSWIVEL ARM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
K4816Interchangeable
interchangeable cross-reference
interchangeable
6055Interchangeable
interchangeable cross-reference
interchangeable
9T33Y5428Interchangeable
interchangeable cross-reference
interchangeable
6055RHInterchangeable
interchangeable cross-reference
interchangeable
6055CAST IRONInterchangeable
interchangeable cross-reference
interchangeable
365203-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QL-505?
QL-505 is a CAPACITOR,VARIABLE,MICA DIELECTR.
What parts can replace QL-505?
There are 20 known substitutes for QL-505: K4816, 6055, 9T33Y5428 and 17 more. Substitute compatibility should be verified for your specific system.
Is QL-505 still available?
QL-505 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026