PartsTable
Technical Data Sheet
PartsTable / COMPONENT / T0-4
T0-4 ✓ 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

The TEST SET,CAPACITOR-RESISTOR is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include phase: SINGLE FIRST ALTERNATE OPERATING POWER RQMT, width: 8.870 INCHES NOMINAL IN, height: 6.120 INCHES NOMINAL IN, length: 14.600 INCHES NOMINAL IN, material: ALUMINUM HOUSING, bore_diameter: 1.1864 INCHES MINIMUM AND 1.1870 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-539-8592, 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
T0-4
NSN: 6625-00-539-8592
FSC: 6625
CAGE: 56289 — SPRAGUE ELECTRIC CO WORLD HQS (USA)
SPECIFICATIONS
phaseSINGLE FIRST ALTERNATE OPERATING POWER RQMT
width8.870 INCHES NOMINAL IN
height6.120 INCHES NOMINAL IN
length14.600 INCHES NOMINAL IN
materialALUMINUM HOUSING
bore_diameter1.1864 INCHES MINIMUM AND 1.1870 INCHES MAXIMUM IN
alignment_typeRIGID
overall_height0.8075 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
surface_finishGROUND
special_featuresSOLE SOURCE REQUIRED BY STATUTE 6.302; TO BE USED WITH WILLSON 6000 SERIES RESPIRATORS
style_designatorFLAT RACE SURFACE, CYLINDRICAL ROLLERS
ac_voltage_rating115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
NSN6625-00-539-8592
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TEST SET,CAPACITOR-RESISTOR TITLE COMPONENT PN T0-4 MFR TEST SET,CAPACITOR-RES
KEY FEATURES
•
ENCLOSURE FEATURE: SINGLE ITEM W/HOUSING
•
LENGTH: 14.600 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM HOUSING
•
TEST TYPE FOR WHICH DESIGNED: MEASUREMENT OF VOLTAGE AND CURRENT; MEASUREMENT OF CURRENT LEAKAGE; MEASUREMENT OF INSULATION RESISTANCE
•
HEIGHT: 6.120 INCHES NOMINAL IN
•
PHASE: SINGLE FIRST ALTERNATE OPERATING POWER RQMT
•
AC VOLTAGE RATING: 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
•
SURFACE TREATMENT: ENAMEL
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)
ENCLOSURE FEATURESINGLE ITEM W/HOUSING
LENGTH14.600 INCHES NOMINAL IN
MATERIALALUMINUM HOUSING
TEST TYPE FOR WHICH DESIGNEDMEASUREMENT OF VOLTAGE AND CURRENT; MEASUREMENT OF CURRENT LEAKAGE; MEASUREMENT OF INSULATION RESISTANCE
HEIGHT6.120 INCHES NOMINAL IN
PHASESINGLE FIRST ALTERNATE OPERATING POWER RQMT
AC VOLTAGE RATING115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
SURFACE TREATMENTENAMEL
WIDTH8.870 INCHES NOMINAL IN
ENCLOSURE FEATURESINGLE ITEM W/HOUSING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
T-604Interchangeable
interchangeable cross-reference
interchangeable
T04Interchangeable
interchangeable cross-reference
interchangeable
888-5760Interchangeable
interchangeable cross-reference
interchangeable
792591Interchangeable
interchangeable cross-reference
interchangeable
130180Interchangeable
interchangeable cross-reference
interchangeable
S04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy T0-4?
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 T0-4?
T0-4 is a TEST SET,CAPACITOR-RESISTOR.
What parts can replace T0-4?
There are 7 known substitutes for T0-4: T-604, T04, 888-5760 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T0-4?
T0-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-539-8592. 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 — T0-4

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