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Technical Data Sheet
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921-0017-00 — Technical Data Sheet

✓ 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,VARIABLE,AIR DIELECTRI. Key specifications include body_style: CIRCULAR, shaft_type: ROUND SINGLE SHAFT, body_length: 3.930 INCHES NOMINAL IN, shaft_length: 0.375 INCHES NOMINAL SINGLE SHAFT IN, overall_width: 3.562 INCHES NOMINAL IN, inclosure_type: UNINCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5910-00-988-7261, 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→ 921-0017-00
NSN: 5910-00-988-7261
FSC: 5910
CAGE: 71313 — VIKING TECHNOLOGIES, LTD. (USA)
SPECIFICATIONS
body_styleCIRCULAR
shaft_typeROUND SINGLE SHAFT
body_length3.930 INCHES NOMINAL IN
shaft_length0.375 INCHES NOMINAL SINGLE SHAFT IN
overall_width3.562 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_height2.719 INCHES NOMINAL IN
overall_length4.399 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE SHAFT IN
terminal_designNONFEEDTHRU
board_constructionCOMPRESSION SEAL CONSTRUCTION
tuning_characteristicSTRAIGHT LINE WAVELENGTH ALL SECTIONS
NSN5910-00-988-7261
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 921-0017-00 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
ADJUSTMENT DEVICE ROTATION: 180.0 DEGREES NOMINAL COUNTERCLOCKWISE
•
CAPACITANCE RANGE IN PICOFARADS: +75.6 TO 1438.2 ALL SECTIONS
•
TUNING CHARACTERISTIC: STRAIGHT LINE WAVELENGTH ALL SECTIONS
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE SHAFT IN
•
INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 10.0 GIGOHMS
•
INDIVIDUAL SECTION QUANTITY: 3
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
OVERALL WIDTH3.562 INCHES NOMINAL IN
OVERALL HEIGHT2.719 INCHES NOMINAL IN
ADJUSTMENT DEVICE ROTATION180.0 DEGREES NOMINAL COUNTERCLOCKWISE
CAPACITANCE RANGE IN PICOFARADS+75.6 TO 1438.2 ALL SECTIONS
TUNING CHARACTERISTICSTRAIGHT LINE WAVELENGTH ALL SECTIONS
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE SHAFT IN
INSULATION DC RESISTANCE AT 25 DEG CELSIUS10.0 GIGOHMS
INDIVIDUAL SECTION QUANTITY3
INCLOSURE TYPEUNINCLOSED
SHAFT TYPEROUND SINGLE SHAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
8091PC18InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20020 REV B FIND NO. 4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9042-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
521-0017-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BH-2171InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
209919-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 921-0017-00?
921-0017-00 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 921-0017-00?
There are 10 known substitutes for 921-0017-00: 8091PC18, 20020 REV B FIND NO. 4, 9042-3 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 921-0017-00?
921-0017-00 is cataloged in the Federal Logistics Information System under NSN 5910-00-988-7261. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026