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Technical Data Sheet
PartsTable / MRO / 1857075
1857075 ✓ 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,FIXED,MICA DIELECTRIC. Key specifications include inclosure_type: FULLY INCLOSED, end_item_identification: GENERATOR SET,DIESEL ENGINE, terminal_type_and_quantity: 2 THREADED STUD, nonpile-up_contact_arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION SINGLE SWITCH UNIT, maximum_voltage_rating_in_volts: 32.0 DC, part_name_assigned_by_controlling_agency: GEAR,HELICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-239-3665, 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→ 1857075
NSN: 5930-00-239-3665
FSC: 5930
CAGE: 16764 — GENERAL MOTORS CORP DELCO REMY DIV (USA)
SPECIFICATIONS
inclosure_typeFULLY INCLOSED
end_item_identificationGENERATOR SET,DIESEL ENGINE
terminal_type_and_quantity2 THREADED STUD
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts32.0 DC
part_name_assigned_by_controlling_agencyGEAR,HELICAL
NSN5930-00-239-3665
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 1857075 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION SINGLE SWITCH UNIT
•
TERMINAL TYPE AND QUANTITY: 2 THREADED STUD
•
MAXIMUM VOLTAGE RATING IN VOLTS: 32.0 DC
•
INCLOSURE TYPE: FULLY INCLOSED
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)
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION SINGLE SWITCH UNIT
TERMINAL TYPE AND QUANTITY2 THREADED STUD
MAXIMUM VOLTAGE RATING IN VOLTS32.0 DC
INCLOSURE TYPEFULLY INCLOSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
349-24Interchangeable
interchangeable cross-reference
interchangeable
034-924Interchangeable
interchangeable cross-reference
interchangeable
B-145-9Interchangeable
interchangeable cross-reference
interchangeable
407CInterchangeable
interchangeable cross-reference
interchangeable
B-145-18Interchangeable
interchangeable cross-reference
interchangeable
239463-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1857075?
1857075 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1857075?
There are 9 known substitutes for 1857075: 349-24, 034-924, B-145-9 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1857075?
1857075 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-239-3665. 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