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12556166 — PLATE,MOUNTING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12556166: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 1.50 INCHES NOMINAL IN, length: 3.75 INCHES NOMINAL IN, material: STEEL,ARMOR, thickness: 1.25 INCHES NOMINAL IN, design_type: ARMORED. This part is cataloged in the U.S.

Government catalog under NSN 2590-01-674-9847, 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
12556166
NSN: 2590-01-674-9847
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeRECTANGULAR
width1.50 INCHES NOMINAL IN
length3.75 INCHES NOMINAL IN
materialSTEEL,ARMOR
thickness1.25 INCHES NOMINAL IN
design_typeARMORED
usage_designVEHICULAR
document_typeENGINEERING DRAWING
component_quantity2
mounting_hole_typeTHRU HOLE
mounting_hole_diameter0.563 INCHES NOMINAL ALL HOLES IN
mounting_hole_quantity2
NSN2590-01-674-9847
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE,MOUNTING TITLE COMPONENT PN 12556166 MFR PLATE,MOUNTING
KEY FEATURES
•
COMPONENT QUANTITY: 2
•
MOUNTING HOLE QUANTITY: 2
•
DOCUMENT TYPE: ENGINEERING DRAWING
•
LENGTH: 3.75 INCHES NOMINAL IN
•
USAGE DESIGN: VEHICULAR
•
DESIGN TYPE: ARMORED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-DTL-46100 HIGH HARDNESS CLASS 1 MIL STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.563 INCHES NOMINAL ALL HOLES IN
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
MOUNTING HOLE QUANTITY2
DOCUMENT TYPEENGINEERING DRAWING
LENGTH3.75 INCHES NOMINAL IN
USAGE DESIGNVEHICULAR
DESIGN TYPEARMORED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-DTL-46100 HIGH HARDNESS CLASS 1 MIL STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.563 INCHES NOMINAL ALL HOLES IN
SHAPERECTANGULAR
COMPONENT DOCUMENT ORIGININDUSTRIAL
OTHER ITEMS IN FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-006-7503 2590-00-007-2356 2590-01-151-9629 2590-01-445-9216 2590-01-468-7350 2590-01-600-0314 2590-01-600-0319 2590-01-608-6611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 12556166?
12556166 is a PLATE,MOUNTING.
What is the NSN for 12556166?
12556166 is cataloged in the U.S. Government catalog under NSN 2590-01-674-9847. 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.