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LO1893 — RETAINER,CAPACITOR

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

LO1893: RETAINER,CAPACITOR.

The RETAINER,CAPACITOR 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_width: 2.750 INCHES NOMINAL IN, overall_height: 0.310 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, special_features: ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO1893, style_designator: PLATE TYPE.

This part is cataloged in the U.S. Government catalog under NSN 5910-01-012-9903, 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→ LO1893
NSN: 5910-01-012-9903
FSC: 5910 — Capacitors
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
materialSTEEL
overall_width2.750 INCHES NOMINAL IN
overall_height0.310 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
special_featuresITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO1893
style_designatorPLATE TYPE
surface_treatmentCADMIUM
criticality_code_justificationZZZY
unthreaded_mounting_hole_diameterUNABLE TO DECODE
mounting_facility_type_and_quantityUNABLE TO DECODE
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
accommodated_item_securing_device_typeFLANGE
NSN5910-01-012-9903
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,CAPACITOR TITLE COMPONENT PN LO1893 MFR RETAINER,CAPACITOR
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: UNABLE TO DECODE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
UNTHREADED MOUNTING HOLE DIAMETER: UNABLE TO DECODE
•
STYLE DESIGNATOR: PLATE TYPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
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
MOUNTING FACILITY TYPE AND QUANTITYUNABLE TO DECODE
OVERALL HEIGHT0.310 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE
CRITICALITY CODE JUSTIFICATIONZZZY
UNTHREADED MOUNTING HOLE DIAMETERUNABLE TO DECODE
STYLE DESIGNATORPLATE TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH3.500 INCHES NOMINAL IN
ACCOMMODATED ITEM SECURING DEVICE TYPEFLANGE
OVERALL WIDTH2.750 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5910 — Capacitors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5910-00-000-1038 5910-00-000-1049 5910-00-000-1080 5910-00-000-6838 5910-00-001-1913 5910-00-001-2576 5910-00-001-2577 5910-00-001-2578
SUBSTITUTES & CROSS-REFERENCES 1
3369C85H01Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LO1893?
LO1893 is a RETAINER,CAPACITOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace LO1893?
There is 1 known substitute for LO1893: 3369C85H01. Substitute compatibility should be verified for your specific system.
What is the NSN for LO1893?
LO1893 is cataloged in the U.S. Government catalog under NSN 5910-01-012-9903. 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.