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PartsTable / MRO / 1JB1855-2
1JB1855-2 ✓ 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 color: GREEN, length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: STEEL COMP 1212 OVERALL, nut_style: SLOTTED, HEXAGON, body_style: STRAIGHT SHAPE DUPLEX, nut_height: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-547-4151, 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→ 1JB1855-2
NSN: 5910-00-547-4151
FSC: 5910
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
colorGREEN
length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
materialSTEEL COMP 1212 OVERALL
nut_styleSLOTTED, HEXAGON
body_styleSTRAIGHT SHAPE DUPLEX
nut_height0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
body_length2.875 INCHES MAXIMUM IN
specific_useGENERAL PURPOSE
thread_class2B
overall_width1.327 INCHES MAXIMUM IN
terminal_typeSCREW ALL MATING ENDS ALL CONTACT GROUPINGS
thread_seriesUNF
NSN5910-00-547-4151
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 1JB1855-2 MFR CAPACITOR,FIXED,MICA D
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 19
PA3150Interchangeable
interchangeable cross-reference
interchangeable
5665Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
2100-04-0008Interchangeable
interchangeable cross-reference
interchangeable
10132193Interchangeable
interchangeable cross-reference
interchangeable
227501-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1JB1855-2?
1JB1855-2 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1JB1855-2?
There are 19 known substitutes for 1JB1855-2: PA3150, 5665, QQ-A-200/3 and 16 more. Substitute compatibility should be verified for your specific system.
Is 1JB1855-2 still available?
1JB1855-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026