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D97 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

D97: CAPACITOR,FIXED,ELECTROLYTIC.

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, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, corner_shape: SQUARE ALL CORNERS, overall_length: 4.000 INCHES NOMINAL IN, inside_diameter: 0.750 INCHES NOMINAL IN, keyway_dimension: 0.1875 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-121-6246, 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
D97
NSN: 4320-01-121-6246
NIINs: 011216246, 013248510
FSC: 4320 — Power and Hand Pumps
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
corner_shapeSQUARE ALL CORNERS
overall_length4.000 INCHES NOMINAL IN
inside_diameter0.750 INCHES NOMINAL IN
keyway_dimension0.1875 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
special_featuresDIA REDUCED ON ONE END TO 0.690";0.500"LG; NEXT TO THIS IS 1 GROOVE 0.250"W; 0.938" DIA
style_designatorCYLINDRICAL
spring_free_length8.000 INCHES NOMINAL IN
body_inside_diameter0.8760 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
body_outside_diameter1.1250 INCHES NOMINAL IN
NSN4320-01-121-6246
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN D97 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SPECIAL TEST FEATURES: SLEEVE SHAFT
•
BODY OUTSIDE DIAMETER: 1.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.8760 INCHES NOMINAL 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
CORNER SHAPESQUARE ALL CORNERS
SPECIAL TEST FEATURESSLEEVE SHAFT
BODY OUTSIDE DIAMETER1.1250 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH4.000 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.8760 INCHES NOMINAL IN
SPECIAL FEATURESDIA REDUCED ON ONE END TO 0.690";0.500"LG; NEXT TO THIS IS 1 GROOVE 0.250"W; 0.938" DIA
MATERIALNICKEL ALLOY K-500 OVERALL
KEYWAY DIMENSION0.1875 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
SUBSTITUTES & CROSS-REFERENCES 10
D01N0-99-010PC7Reference document
Same NSN cross-reference
Reference document — Secondary reference
GCP452ITEM1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
256616-07Reference document
Same NSN cross-reference
Reference document — Secondary reference
DHN600-1PC30Reference document
Same NSN cross-reference
Reference document — Secondary reference
SL6694PC19Reference document
Same NSN cross-reference
Reference document — Secondary reference
2308Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D97?
D97 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace D97?
There are 10 known substitutes for D97: D01N0-99-010PC7, GCP452ITEM1, 256616-07 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D97?
D97 is cataloged in the U.S. Government catalog under NSN 4320-01-121-6246. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.