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76639 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include head_style: FLAT CHAMFER, head_height: 0.078 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.179 INCHES NOMINAL IN, thread_length: 0.625 INCHES MAXIMUM IN, screw_material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-066-2202, 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
76639
NSN: 4320-00-066-2202
FSC: 4320
CAGE: 16859 — CRANE CO DBA CRANE-DEMING PUMPS DIVISION DIV DEMING PUMPS (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.078 INCHES NOMINAL IN
thread_class3A A
head_diameter0.179 INCHES NOMINAL IN
thread_length0.625 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X
fastener_length0.625 INCHES NOMINAL IN
hardness_rating90.7 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
NSN4320-00-066-2202
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 76639 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
OUTSIDE DIAMETER: 1.859 INCHES NOMINAL IN
•
HEIGHT: 0.500 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.281 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
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)
OUTSIDE DIAMETER1.859 INCHES NOMINAL IN
HEIGHT0.500 INCHES NOMINAL IN
SPECIAL FEATURESW/FOUR 1/4 IN. DIA HOLES THROUGH PERIPHARY IN
INSIDE DIAMETER1.281 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
303Interchangeable
interchangeable cross-reference
interchangeable
SS-P-166 TY2Interchangeable
interchangeable cross-reference
interchangeable
14420Interchangeable
interchangeable cross-reference
interchangeable
232E17Interchangeable
interchangeable cross-reference
interchangeable
7409008Interchangeable
interchangeable cross-reference
interchangeable
76639Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 76639?
76639 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 76639?
There are 13 known substitutes for 76639: 303, SS-P-166 TY2, 14420 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 76639?
76639 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-066-2202. 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.
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Last verified: July 2026