PartsTable
Technical Data Sheet
478 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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,FIXED,MICA DIELECTRIC. Key specifications include shape: RECTANGULAR, material: ALUMINUM REFLECTOR, lens_color: WHITE, overall_width: 5.25 INCHES NOMINAL IN, overall_height: 4.0 INCHES NOMINAL IN, overall_length: 26.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-833-6507, 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
MRO MRO_GENERAL 478
NSN: 6625-00-833-6507
FSC: 6625
CAGE: 89280 — Q V S INC (USA)
SPECIFICATIONS
shapeRECTANGULAR
materialALUMINUM REFLECTOR
lens_colorWHITE
overall_width5.25 INCHES NOMINAL IN
overall_height4.0 INCHES NOMINAL IN
overall_length26.125 INCHES NOMINAL IN
mounting_methodSCREW AND BASE
special_featuresWEIGHT: 10.9 LBS; CHARGE INDICATOR LIGHT, QTY: 1; LBS
lens_transparencyTRANSLUCENT
numeric_designator478
mounting_base_width5.25 INCHES NOMINAL IN
mounting_base_length26.125 INCHES NOMINAL IN
NSN6625-00-833-6507
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 478 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
INDICATOR TYPE: DIAL W/POINTER
MOUNTING BOLT CIRCLE DIAMETER: 4.125 INCHES NOMINAL IN
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 3.625 INCHES NOMINAL IN
MOVEMENT SUSPENSION METHOD: JEWEL PIVOT BASE
SPECIAL MARKINGS: O TO 25.5 RED SLASH,25.5 TO 26.0 SOLID GREEN SLASH,26.0 TO 38.2 RED SLASH,38.2 TO 39.0 SOLID GREEN SLASH,39.0 TO 50.0 RED SLASH
FSC APPLICATION DATA: TEST SET ELECTRONIC
STYLE DESIGNATOR: ROUND FLUSH MTG
NUCLEAR HARDNESS CRITICAL FEATURE: NONHARDENED
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)
INDICATOR TYPEDIAL W/POINTER
MOUNTING BOLT CIRCLE DIAMETER4.125 INCHES NOMINAL IN
METER BODY DIAMETER BEHIND MOUNTING FLANGE3.625 INCHES NOMINAL IN
MOVEMENT SUSPENSION METHODJEWEL PIVOT BASE
SPECIAL MARKINGSO TO 25.5 RED SLASH,25.5 TO 26.0 SOLID GREEN SLASH,26.0 TO 38.2 RED SLASH,38.2 TO 39.0 SOLID GREEN SLASH,39.0 TO 50.0 RED SLASH
FSC APPLICATION DATATEST SET ELECTRONIC
STYLE DESIGNATORROUND FLUSH MTG
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
COLORUNABLE TO DECODE
MOVEMENT TYPEMOVING COIL, PERMANENT MAGNET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
478Upgraded Successor
successor cross-reference
successor
6625-00-L01-4157Upgraded Successor
successor cross-reference
successor
FF-B-187AInterchangeable
interchangeable cross-reference
interchangeable
BT478Interchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
B107.1 CL3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 478?
478 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 478?
There are 18 known substitutes for 478: 478, 6625-00-L01-4157, FF-B-187A and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 478?
478 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-833-6507. This indicates validated use in U.S. government and defense supply chains.
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