PartsTable
Technical Data Sheet
PartsTable / MRO / 8773931-3
8773931-3 ✓ 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,GLASS DIELECT. Key specifications include material: GLASS CAPACITIVE ELECTRODE, body_style: PISTON, body_length: 0.519 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN, inclosure_type: ENCAPSULATED, overall_length: 0.638 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN, terminal_length: 0.969 INCHES MINIMUM AND 1.031 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 5910-00-923-1328, 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→ 8773931-3
NSN: 5910-00-923-1328
FSC: 5910
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)
SPECIFICATIONS
materialGLASS CAPACITIVE ELECTRODE
body_stylePISTON
body_length0.519 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
inclosure_typeENCAPSULATED
overall_length0.638 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
terminal_length0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
fragility_factorMODERATELY RUGGED
overall_diameter0.297 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
terminal_diameter0.032 INCHES NOMINAL IN
adjustment_device_torque1.000 INCH-OUNCES MINIMUM AND 10.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity1 SOLDER STUD AND 2 WIRE LEAD
NSN5910-00-923-1328
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,GLASS DIELECT TITLE COMPONENT PN 8773931-3 MFR CAPACITOR,VARIABLE,GLA
KEY FEATURES
•
OVERALL DIAMETER: 0.297 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
•
CAPACITANCE RANGE IN PICOFARADS: +1.5 TO 16.0 SINGLE SECTION
•
INSULATION DC RESISTANCE AT MAX OPERATING TEMP: 100000.0 MEGOHMS
•
NONDERATED VOLTAGE RATING AND TYPE: 1000.0 DC CONTINUOUS SINGLE SECTION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SLOTTED SCREW
•
TEMP COEFFICIENT OF CAPACITANCE RANGE IN PPM PER DEG CELSIUS: -50.0 TO 50.0 SINGLE SECTION
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)
OVERALL DIAMETER0.297 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
CAPACITANCE RANGE IN PICOFARADS+1.5 TO 16.0 SINGLE SECTION
INSULATION DC RESISTANCE AT MAX OPERATING TEMP100000.0 MEGOHMS
NONDERATED VOLTAGE RATING AND TYPE1000.0 DC CONTINUOUS SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SLOTTED SCREW
TEMP COEFFICIENT OF CAPACITANCE RANGE IN PPM PER DEG CELSIUS-50.0 TO 50.0 SINGLE SECTION
ADJUSTMENT DEVICE TORQUE1.000 INCH-OUNCES MINIMUM AND 10.000 INCH-OUNCES MAXIMUM IN
TERMINAL DIAMETER0.032 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1109911Interchangeable
interchangeable cross-reference
interchangeable
V-1416Interchangeable
interchangeable cross-reference
interchangeable
S1052Interchangeable
interchangeable cross-reference
interchangeable
68036Interchangeable
interchangeable cross-reference
interchangeable
T1127Interchangeable
interchangeable cross-reference
interchangeable
48834Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8773931-3?
8773931-3 is a CAPACITOR,VARIABLE,GLASS DIELECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8773931-3?
There are 7 known substitutes for 8773931-3: 1109911, V-1416, S1052 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8773931-3?
8773931-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-923-1328. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026