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666368 — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

666368: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include shank_style: EXTERNALLY THREADED, thread_class: 3A A, thread_direction: RIGHT-HAND, shank_thread_length: 2.0800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-150-2501, 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
666368
NSN: 3120-00-150-2501
NIINs: 001502501, 013081090
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
shank_styleEXTERNALLY THREADED
thread_class3A A
thread_directionRIGHT-HAND
shank_thread_length2.0800 INCHES NOMINAL IN
NSN3120-00-150-2501
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 666368 · 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
•
SHANK THREAD LENGTH: 2.0800 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
SHANK STYLE: EXTERNALLY THREADED
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH2.0800 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
SHANK STYLEEXTERNALLY THREADED
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 1
2173539Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 666368?
666368 is a BEARING,PLAIN,ROD END.
What parts can replace 666368?
There is 1 known substitute for 666368: 2173539. Substitute compatibility should be verified for your specific system.
What is the NSN for 666368?
666368 is cataloged in the U.S. Government catalog under NSN 3120-00-150-2501. 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.