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Technical Data Sheet
GGG-W-644 ✓ 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 CAPACITOR,FIXED,ELECTROLYTIC 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 material: STEEL OVERALL, overall_length: 29.000 INCHES NOMINAL IN, special_features: AUTOMOTIVE LUG NUT WRENCH; HANDLE NOT INCLUDED, style_designator: DOUBLE SOCKET T, features_provided: REMOVABLE HANDLE, wrenching_surface_size: 1.750 INCHES NOMINAL FIRST END 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 5120-00-177-6821, 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
GGG-W-644
NSN: 5120-00-177-6821
FSC: 5120
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length29.000 INCHES NOMINAL IN
special_featuresAUTOMOTIVE LUG NUT WRENCH; HANDLE NOT INCLUDED
style_designatorDOUBLE SOCKET T
features_providedREMOVABLE HANDLE
wrenching_surface_size1.750 INCHES NOMINAL FIRST END IN
wrenching_surface_shapeSQUARE SECOND END INTERNAL
nondefinitive_spec/std_data2 TYPE AND 10 SIZE
departure_from_cited_documentAS MODIFIED BY OVERALL LENGTH
departure_from_cited_designatorAS MODIFIED BY WRENCHING SURFACE SIZES AND OVERALL LENGTH
NSN5120-00-177-6821
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN GGG-W-644 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY WRENCHING SURFACE SIZES AND OVERALL LENGTH
WRENCHING SURFACE SIZE: 1.078 INCHES MINIMUM AND 1.093 INCHES MAXIMUM FIRST END IN
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: DOUBLE SOCKET T
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS INTERNAL
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 LENGTH13.750 INCHES MINIMUM AND 14.250 INCHES MAXIMUM IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY WRENCHING SURFACE SIZES AND OVERALL LENGTH
WRENCHING SURFACE SIZE1.078 INCHES MINIMUM AND 1.093 INCHES MAXIMUM FIRST END IN
WRENCHING SURFACE SIZE1.265 INCHES MINIMUM AND 1.275 INCHES MAXIMUM SECOND END IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORDOUBLE SOCKET T
NONDEFINITIVE SPEC/STD DATA2 TYPE
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS INTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
GGG-W-644Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-644 TY1SZ10Interchangeable
interchangeable cross-reference
interchangeable
FRS T95Interchangeable
interchangeable cross-reference
interchangeable
2144835Interchangeable
interchangeable cross-reference
interchangeable
TR98Interchangeable
interchangeable cross-reference
interchangeable
11677000-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GGG-W-644?
GGG-W-644 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace GGG-W-644?
There are 25 known substitutes for GGG-W-644: GGG-W-644, GGG-W-644 TY1SZ10, FRS T95 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GGG-W-644?
GGG-W-644 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-177-6821. This indicates validated use in U.S. government and defense supply chains.
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