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118551 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

118551: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include outside_diameter: 4.500 INCHES NOMINAL IN, special_markings: TO LOCK, style_designator: PRESSURE FUEL SERVICING, accommodation_type: PLAIN END GRIPPING, locking_device_type: INTEGRAL SELF LOCK, retaining_device_type: CHAIN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-541-7913, 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
118551
NSN: 3120-00-541-7913
NIINs: 005417913, 005605965, 006700344
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 11976 — CHICAGO PNEUMATIC TOOL CO (USA)
SPECIFICATIONS
outside_diameter4.500 INCHES NOMINAL IN
special_markingsTO LOCK
style_designatorPRESSURE FUEL SERVICING
accommodation_typePLAIN END GRIPPING
locking_device_typeINTEGRAL SELF LOCK
retaining_device_typeCHAIN
retaining_device_length12.000 INCHES NOMINAL IN
system_for_which_designedPRESSURIZED
NSN3120-00-541-7913
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 118551 · 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 1
5195AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 118551?
118551 is a BEARING,WASHER,THRUST.
What parts can replace 118551?
There is 1 known substitute for 118551: 5195A. Substitute compatibility should be verified for your specific system.
What is the NSN for 118551?
118551 is cataloged in the U.S. Government catalog under NSN 3120-00-541-7913. 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.