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Technical Data Sheet
PartsTable / MRO / 37-658
37-658 ✓ 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,CERAMIC DIELE. Key specifications include body_style: PISTON, body_length: 0.090 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_length: 0.170 INCHES NOMINAL IN, terminal_length: 0.005 INCHES NOMINAL IN, overall_diameter: 0.118 INCHES NOMINAL 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 3230-00-266-9629, 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→ 37-658
NSN: 3230-00-266-9629
FSC: 3230
CAGE: 1Z322 — DELTA INTL MACHINERY CORP (USA)
SPECIFICATIONS
body_stylePISTON
body_length0.090 INCHES NOMINAL IN
inclosure_typeENCASED
overall_length0.170 INCHES NOMINAL IN
terminal_length0.005 INCHES NOMINAL IN
overall_diameter0.118 INCHES NOMINAL IN
terminal_diameter0.190 INCHES NOMINAL IN
end_item_identification6625-01-152-6705 TEST SET TRANSP
adjustment_device_torque0.200 INCH-OUNCES MINIMUM AND 2.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity1 FLANGE
capacitance_range_in_picofarads+2.5 TO 8.5 SINGLE SECTION
NSN3230-00-266-9629
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 37-658 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: HIGH SPEED STEEL; PLAIN TYPE; DIM. DATA,6-1/8 IN. LG,19/32 IN. W,0.093 IN. PORM 0.001 THK IN
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)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONHIGH SPEED STEEL; PLAIN TYPE; DIM. DATA,6-1/8 IN. LG,19/32 IN. W,0.093 IN. PORM 0.001 THK IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
659Interchangeable
interchangeable cross-reference
interchangeable
173067Interchangeable
interchangeable cross-reference
interchangeable
K659Interchangeable
interchangeable cross-reference
interchangeable
139 HOLE SIZE 0.144 INInterchangeable
interchangeable cross-reference
interchangeable
11-074-CInterchangeable
interchangeable cross-reference
interchangeable
5590037Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37-658?
37-658 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 37-658?
There are 17 known substitutes for 37-658: 659, 173067, K659 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37-658?
37-658 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3230-00-266-9629. 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