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1557-9 — CAPACITOR,FIXED,CERAMIC DIELECTR

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

1557-9: CAPACITOR,FIXED,CERAMIC DIELECTR.

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include overall_width: 4.000 INCHES NOMINAL IN, overall_length: 5.250 INCHES NOMINAL IN, special_features: FOR CONTROL BOX ASSY, end_item_identification: 6115013068342 E/I FSCM 12867. This part is cataloged in the U.S.

Government catalog under NSN 9540-00-251-2595, 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→ 1557-9
NSN: 9540-00-251-2595
NIINs: 002512595, 008807271, 011763979, 014063652, 014463244
FSC: 9540 — Structural Shapes, Nonferrous Base Metal
CAGE: 27610 — INTERNATIONAL LIGHT METALS CORP SUB OF MARTIN MARIETTA CORP (USA)
SPECIFICATIONS
overall_width4.000 INCHES NOMINAL IN
overall_length5.250 INCHES NOMINAL IN
special_featuresFOR CONTROL BOX ASSY
end_item_identification6115013068342 E/I FSCM 12867
NSN9540-00-251-2595
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 1557-9 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
BASE FLANGE THICKNESS: 0.093 INCHES NOMINAL IN
•
HEAT TREATMENT: T-3511 SOLUTION HEAT TREATED
•
FIRST TIP RADIUS: 0.046 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
•
LEFT SIDE FLANGE THICKNESS: 0.093 INCHES NOMINAL IN
•
SECOND TIP RADIUS: 0.046 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
OVERALL HEIGHT1.000 INCHES NOMINAL IN
BASE FLANGE THICKNESS0.093 INCHES NOMINAL IN
HEAT TREATMENTT-3511 SOLUTION HEAT TREATED
FIRST TIP RADIUS0.046 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL WIDTH1.250 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.093 INCHES NOMINAL IN
SECOND TIP RADIUS0.046 INCHES NOMINAL IN
BASIC SHAPE STYLEANGLE
WEIGHT PER UNIT MEASURE0.240 POUNDS PER LINEAR FOOT LBS
SUBSTITUTES & CROSS-REFERENCES 9
BAC1503-2772Reference document
Same NSN cross-reference
Reference document — Secondary reference
DIE22993Reference document
Same NSN cross-reference
Reference document — Secondary reference
13939-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LS3283Reference document
Same NSN cross-reference
Reference document — Secondary reference
E121113Reference document
Same NSN cross-reference
Reference document — Secondary reference
QQ-A-200/3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1557-9?
1557-9 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1557-9?
There are 9 known substitutes for 1557-9: BAC1503-2772, DIE22993, 13939-3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1557-9?
1557-9 is cataloged in the U.S. Government catalog under NSN 9540-00-251-2595. This indicates validated use in U.S. government and defense supply chains.
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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.