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66-4976 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

66-4976: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: REFRIGERATION UNIT, THERMO KING CORPORATION, MODEL MD-11. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-407-5454, 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
66-4976
NSN: 3120-00-407-5454
NIINs: 004075454, 014997380
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationREFRIGERATION UNIT, THERMO KING CORPORATION, MODEL MD-11
NSN3120-00-407-5454
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 66-4976 · 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
•
FLANGE OUTSIDE DIAMETER: 1.2100 INCHES MINIMUM AND 1.2300 INCHES MAXIMUM IN
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BODY OUTSIDE DIAMETER: 1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
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END TO FLANGE DISTANCE: 0.1150 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
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BODY INSIDE DIAMETER: 0.6400 INCHES MINIMUM AND 0.6600 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.2600 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER1.2100 INCHES MINIMUM AND 1.2300 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
END TO FLANGE DISTANCE0.1150 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
OVERALL LENGTH0.6100 INCHES MINIMUM AND 0.6700 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.6400 INCHES MINIMUM AND 0.6600 INCHES MAXIMUM IN
FLANGE WIDTH0.2600 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66-4976?
66-4976 is a BUSHING,SLEEVE.
What is the NSN for 66-4976?
66-4976 is cataloged in the U.S. Government catalog under NSN 3120-00-407-5454. 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.