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12418018 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12418018: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL, thickness: 19.5 MILLIMETERS MINIMUM AND 19.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM20.0 MILLIMETERS MAXIMUM MM, aperture_shape: ROUND, outside_diameter: 84.7 MILLIMETERS MINIMUM AND 84.7 MILLIMETERS MINIMUM AND 85.3 MILLIMETERS MAXIMUM85.3 MILLIMETERS MAXIMUM MM, aperture_diameter: 9.8 MILLIMETERS MINIMUM AND 10.2 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-369-5627, 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
12418018
NSN: 5340-01-369-5627
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL
thickness19.5 MILLIMETERS MINIMUM AND 19.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM20.0 MILLIMETERS MAXIMUM MM
aperture_shapeROUND
outside_diameter84.7 MILLIMETERS MINIMUM AND 84.7 MILLIMETERS MINIMUM AND 85.3 MILLIMETERS MAXIMUM85.3 MILLIMETERS MAXIMUM MM
aperture_diameter9.8 MILLIMETERS MINIMUM AND 10.2 MILLIMETERS MAXIMUM MM
surface_treatmentPAINT POLYURETHANE
mounting_hole_typeUNTHREADED
raised_surface_height5.0 MILLIMETERS NOMINAL MM
mounting_hole_diameter16.8 MILLIMETERS MINIMUM AND 17.2 MILLIMETERS MAXIMUM ALL HOLES MM
mounting_hole_quantity3
raised_surface_diameter69.9 MILLIMETERS MINIMUM AND 70.0 MILLIMETERS MAXIMUM MM
NSN5340-01-369-5627
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12418018 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 3
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-46168 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-53039 MIL SPEC 1ST TREATMENT RESPONSE
•
RAISED SURFACE HEIGHT: 5.0 MILLIMETERS NOMINAL MM
•
RAISED SURFACE DIAMETER: 69.9 MILLIMETERS MINIMUM AND 70.0 MILLIMETERS MAXIMUM MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A570 OR A572, GR 50 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A573, GR 70 ASSN STD 1ST MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 16.8 MILLIMETERS MINIMUM AND 17.2 MILLIMETERS MAXIMUM ALL HOLES MM
•
SHAPE: ROUND
•
OUTSIDE DIAMETER: 84.7 MILLIMETERS MINIMUM AND 84.7 MILLIMETERS MINIMUM AND 85.3 MILLIMETERS MAXIMUM85.3 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY3
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-46168 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-53039 MIL SPEC 1ST TREATMENT RESPONSE
RAISED SURFACE HEIGHT5.0 MILLIMETERS NOMINAL MM
RAISED SURFACE DIAMETER69.9 MILLIMETERS MINIMUM AND 70.0 MILLIMETERS MAXIMUM MM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A570 OR A572, GR 50 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A573, GR 70 ASSN STD 1ST MATERIAL RESPONSE
MOUNTING HOLE DIAMETER16.8 MILLIMETERS MINIMUM AND 17.2 MILLIMETERS MAXIMUM ALL HOLES MM
SHAPEROUND
OUTSIDE DIAMETER84.7 MILLIMETERS MINIMUM AND 84.7 MILLIMETERS MINIMUM AND 85.3 MILLIMETERS MAXIMUM85.3 MILLIMETERS MAXIMUM MM
APERTURE DIAMETER9.8 MILLIMETERS MINIMUM AND 10.2 MILLIMETERS MAXIMUM MM
SURFACE TREATMENTPAINT POLYURETHANE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12418018?
12418018 is a PLATE,MOUNTING.
What is the NSN for 12418018?
12418018 is cataloged in the U.S. Government catalog under NSN 5340-01-369-5627. 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.