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PartsTable / COMPONENT / 1601A1
1601A1 ✓ 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,AIR DIELECTRI. Key specifications include color: BLACK OVERALL, material: STEEL OVERALL, anode_type: ETCHED FOIL, body_style: PLATE-MESHING, head_style: HEXAGON EXTENDED WASHER, shaft_type: ROUND, SLOTTED SINGLE SHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-944-2862, 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
1601A1
NSN: 5950-00-944-2862
FSC: 5950
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL OVERALL
anode_typeETCHED FOIL
body_stylePLATE-MESHING
head_styleHEXAGON EXTENDED WASHER
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_length0.610 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
head_height0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
shaft_length0.250 INCHES NOMINAL SINGLE SHAFT IN
thread_class2A A
body_diameter0.750 INCHES NOMINAL IN
bushing_shapeROUND
NSN5950-00-944-2862
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 1601A1 MFR CAPACITOR,VARIABLE,AIR
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
BRH155AInterchangeable
interchangeable cross-reference
interchangeable
521531Interchangeable
interchangeable cross-reference
interchangeable
WBR500-16Interchangeable
interchangeable cross-reference
interchangeable
160-101Interchangeable
interchangeable cross-reference
interchangeable
3M11Interchangeable
interchangeable cross-reference
interchangeable
CK-2101DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1601A1?
1601A1 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 1601A1?
There are 12 known substitutes for 1601A1: BRH155A, 521531, WBR500-16 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1601A1?
1601A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-944-2862. 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