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PartsTable / COMPONENT / 21805-1003-1
21805-1003-1 ✓ 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

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: STEEL COMP 416, overall_length: 5.500 INCHES NOMINAL IN, special_features: DRAWING NAME-VALVE ASSY, SIZE SPECIAL, largest_step_diameter: 0.750 INCHES NOMINAL IN, material_document_and_classification: ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-479-5569, 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
21805-1003-1
NSN: 3040-01-479-5569
FSC: 3040
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
overall_length5.500 INCHES NOMINAL IN
special_featuresDRAWING NAME-VALVE ASSY, SIZE SPECIAL
largest_step_diameter0.750 INCHES NOMINAL IN
material_document_and_classificationASTMA582 ASSN STD SINGLE MATERIAL RESPONSE
NSN3040-01-479-5569
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 21805-1003-1 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE
•
LARGEST STEP DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 416
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)
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA582 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH5.500 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.750 INCHES NOMINAL IN
SPECIAL FEATURESDRAWING NAME-VALVE ASSY, SIZE SPECIAL
MATERIALSTEEL COMP 416
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
21805Interchangeable
interchangeable cross-reference
interchangeable
1E1C2Interchangeable
interchangeable cross-reference
interchangeable
F51079Interchangeable
interchangeable cross-reference
interchangeable
251108Interchangeable
interchangeable cross-reference
interchangeable
00100Interchangeable
interchangeable cross-reference
interchangeable
GPDC0H100KInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21805-1003-1?
21805-1003-1 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 21805-1003-1?
There are 13 known substitutes for 21805-1003-1: 21805, 1E1C2, F51079 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21805-1003-1?
21805-1003-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-479-5569. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026