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MCM154 — FRAME SECTION,STRUCTURAL,VEHICUL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

MCM154: FRAME SECTION,STRUCTURAL,VEHICUL.

FRAME SECTION,STRUCTURAL,VEHICUL. Key specifications include material: ALUMINUM ALLOY AND STEEL, mounting_method: BOLT-NUT, special_features: END ITEM IS MINE COUNTERMEASURE SHIP, mounting_position: RIGHT SIDE, furnished_items_and_quantity: 13 BUSHING. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-486-1108, 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
MCM154
NSN: 3120-01-486-1108
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0VP52 — FINCANTIERI MARINE SYSTEMS NORTH AMERICA, INC. DBA FINCANTIERI MARINE SYSTEMS NORTH AM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY AND STEEL
mounting_methodBOLT-NUT
special_featuresEND ITEM IS MINE COUNTERMEASURE SHIP
mounting_positionRIGHT SIDE
furnished_items_and_quantity13 BUSHING
NSN3120-01-486-1108
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MCM154 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
MCM135 PC 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MCM135Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 MCM154?
MCM154 is a FRAME SECTION,STRUCTURAL,VEHICUL.
What parts can replace MCM154?
There are 2 known substitutes for MCM154: MCM135 PC 7, MCM135. Substitute compatibility should be verified for your specific system.
What is the NSN for MCM154?
MCM154 is cataloged in the U.S. Government catalog under NSN 3120-01-486-1108. 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.