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M180 — PISTON,INTERNAL COMBUSTION ENGIN

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

M180: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include end_item_identification: USED WITH MUSICAL INSTRUMENTS, part_name_assigned_by_controlling_agency: MALLETS,XYLOPHONE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6188, 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→ M180
NSN: 3110-00-155-6188
NIINs: 001556188, 007757759, 008125926, 015712173, 016000480
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
end_item_identificationUSED WITH MUSICAL INSTRUMENTS
part_name_assigned_by_controlling_agencyMALLETS,XYLOPHONE
NSN3110-00-155-6188
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M180 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 100.00 MILLIMETERS NOMINAL MM
•
FEATURES PROVIDED: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
FEATURES PROVIDEDSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 10
603T2Reference document
Same NSN cross-reference
Reference document — Secondary reference
399439Reference document
Same NSN cross-reference
Reference document — Secondary reference
95560R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
213-0211Reference document
Same NSN cross-reference
Reference document — Secondary reference
CE309GReference document
Same NSN cross-reference
Reference document — Secondary reference
B7T7065BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M180?
M180 is a PISTON,INTERNAL COMBUSTION ENGIN. It is classified as a MRO (MRO_GENERAL).
What parts can replace M180?
There are 10 known substitutes for M180: 603T2, 399439, 95560R91 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M180?
M180 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6188. 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.