PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 128SCH181-1
128SCH181-1 ✓ 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,VARIABLE,AIR DIELECTRI. Key specifications include material: STEEL OVERALL, body_width: 3.250 INCHES NOMINAL IN, shaft_type: ROUND, SLOTTED SINGLE SHAFT, body_height: 4.218 INCHES NOMINAL IN, body_length: 3.875 INCHES NOMINAL IN, design_type: NONREUSABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-117-4373, 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
128SCH181-1
NSN: 1650-00-117-4373
FSC: 1650
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width3.250 INCHES NOMINAL IN
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_height4.218 INCHES NOMINAL IN
body_length3.875 INCHES NOMINAL IN
design_typeNONREUSABLE
temp_rating120.0 FAHRENHEIT NOMINAL DEGF
shaft_length0.406 INCHES NOMINAL SINGLE SHAFT IN
body_diameter123.0 MILLIMETERS NOMINAL MM
bushing_shapeROUND
bushing_length0.375 INCHES NOMINAL IN
conductor_formSTRANDED ALL CONDUCTORS
NSN1650-00-117-4373
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 128SCH181-1 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 13
17834PC1671Interchangeable
interchangeable cross-reference
interchangeable
12378PC1671Interchangeable
interchangeable cross-reference
interchangeable
18595PC1671Interchangeable
interchangeable cross-reference
interchangeable
302-4510952-42Interchangeable
interchangeable cross-reference
interchangeable
16-71Interchangeable
interchangeable cross-reference
interchangeable
20A107Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 128SCH181-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 128SCH181-1?
128SCH181-1 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 128SCH181-1?
There are 13 known substitutes for 128SCH181-1: 17834PC1671, 12378PC1671, 18595PC1671 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 128SCH181-1?
128SCH181-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-117-4373. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 128SCH181-1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026