PartsTable
Technical Data Sheet
PartsTable / MRO / 148B
148B ✓ 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,VARIABLE,AIR DIELECTRI. Key specifications include body_style: RECTANGULAR PRISM, body_width: 1.120 INCHES NOMINAL IN, shaft_type: ROUND SINGLE SHAFT, body_height: 0.570 INCHES NOMINAL IN, body_length: 1.120 INCHES NOMINAL IN, shaft_length: 0.375 INCHES NOMINAL SINGLE SHAFT IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-246-5880, 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→ 148B
NSN: 6625-00-246-5880
FSC: 6625
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
body_styleRECTANGULAR PRISM
body_width1.120 INCHES NOMINAL IN
shaft_typeROUND SINGLE SHAFT
body_height0.570 INCHES NOMINAL IN
body_length1.120 INCHES NOMINAL IN
shaft_length0.375 INCHES NOMINAL SINGLE SHAFT IN
thread_class2A A
bushing_shapeROUND
overall_width0.781 INCHES NOMINAL IN
bushing_length0.250 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_height0.906 INCHES NOMINAL IN
NSN6625-00-246-5880
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 148B MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
OPERATING VOLTAGE RATING IN VOLTS: 500.0 DC NOMINAL
•
MEASUREMENT RANGE: +0.0 TO 1000.0 MEGOHMS SINGLE INDICATOR SINGLE RANGE
•
POWER SOURCE: INTERNAL
•
FEATURES PROVIDED: PORTABLE
•
FURNISHED ITEMS AND QUANTITY: CARRYING CASE 1;TEST LEADS 3
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)
OPERATING VOLTAGE RATING IN VOLTS500.0 DC NOMINAL
OVERALL LENGTH8.125 INCHES NOMINAL IN
MEASUREMENT RANGE+0.0 TO 1000.0 MEGOHMS SINGLE INDICATOR SINGLE RANGE
OVERALL WIDTH6.500 INCHES NOMINAL IN
POWER SOURCEINTERNAL
FEATURES PROVIDEDPORTABLE
FURNISHED ITEMS AND QUANTITYCARRYING CASE 1;TEST LEADS 3
OVERALL HEIGHT4.875 INCHES NOMINAL IN
SPECIAL FEATURESGENERATOR CONSTANT PRESSURE TYPE
OPERATING VOLTAGE RATING IN VOLTS500.0 DC NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
148BInterchangeable
interchangeable cross-reference
interchangeable
7679Interchangeable
interchangeable cross-reference
interchangeable
56B12945Interchangeable
interchangeable cross-reference
interchangeable
MILM8609Interchangeable
interchangeable cross-reference
interchangeable
50915K615Interchangeable
interchangeable cross-reference
interchangeable
076794Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 148B?
148B is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 148B?
There are 11 known substitutes for 148B: 148B, 7679, 56B12945 and 8 more. Substitute compatibility should be verified for your specific system.
Is 148B still available?
148B 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