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63668 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

63668: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: CH-53K SIKORSKY HEAVY LIFT HELICOPTER, part_name_assigned_by_controlling_agency: PIN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-119-6030, 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
63668
NSN: 3120-00-119-6030
NIINs: 001196030, 016682208
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationCH-53K SIKORSKY HEAVY LIFT HELICOPTER
part_name_assigned_by_controlling_agencyPIN
NSN3120-00-119-6030
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 63668 · 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
KEY FEATURES
•
LEFT INTERNAL FLANGE WIDTH: 0.1580 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN
•
LEFT INTERNAL FLANGE HOLE DIAMETER: 0.1562 INCHES MINIMUM AND 0.1572 INCHES MAXIMUM IN
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CORNER SHAPE: SQUARE ALL CORNERS
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FLANGE OUTSIDE DIAMETER: 0.4320 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN
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BODY OUTSIDE DIAMETER: 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 0.1850 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LEFT INTERNAL FLANGE WIDTH0.1580 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN
LEFT INTERNAL FLANGE HOLE DIAMETER0.1562 INCHES MINIMUM AND 0.1572 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.4320 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
OVERALL LENGTH0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1850 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
FLANGE WIDTH0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
MATERIALIRON OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 63668?
63668 is a BUSHING,SLEEVE.
What is the NSN for 63668?
63668 is cataloged in the U.S. Government catalog under NSN 3120-00-119-6030. 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.