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1604222 ✓ 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,CERAMIC DIELE. Key specifications include body_width: 3.906 INCHES NOMINAL IN, body_height: 1.937 INCHES NOMINAL IN, body_length: 4.343 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-040-6308, 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
1604222
NSN: 5950-01-040-6308
FSC: 5950
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
body_width3.906 INCHES NOMINAL IN
body_height1.937 INCHES NOMINAL IN
body_length4.343 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.164 INCHES SINGLE GROUP IN
winding_power_rating200.0 VOLTS-AMPERES SINGLE COMPONENT ALL SECONDARY
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodCORE GROUNDED AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
NSN5950-01-040-6308
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 1604222 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING POWER RATING: 200.0 VOLTS-AMPERES SINGLE COMPONENT ALL SECONDARY
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
•
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
•
INPUT-OUTPUT PHASE RELATIONSHIP: THREE PHASE TO THREE PHASE SINGLE COMPONENT
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
WINDING OPERATING CURRENT: 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
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)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING POWER RATING200.0 VOLTS-AMPERES SINGLE COMPONENT ALL SECONDARY
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
THREAD QUANTITY PER INCH32 SINGLE GROUP
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
INPUT-OUTPUT PHASE RELATIONSHIPTHREE PHASE TO THREE PHASE SINGLE COMPONENT
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING OPERATING CURRENT5.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
WINDING OPERATING VOLTAGE18.56 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
127968R91Interchangeable
interchangeable cross-reference
interchangeable
39118Interchangeable
interchangeable cross-reference
interchangeable
SM35723Interchangeable
interchangeable cross-reference
interchangeable
NIACINInterchangeable
interchangeable cross-reference
interchangeable
257111Interchangeable
interchangeable cross-reference
interchangeable
5778Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1604222?
1604222 is a CAPACITOR,VARIABLE,CERAMIC DIELE.
What parts can replace 1604222?
There are 18 known substitutes for 1604222: 127968R91, 39118, SM35723 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1604222?
1604222 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-040-6308. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026