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120268 — PARTS KIT,COUPLING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

120268: PARTS KIT,COUPLING.

The PARTS KIT,COUPLING is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, thread_series: ISO M, thread_direction: RIGHT-HAND, nominal_thread_size: 6.0 MILLIMETERS MM, thread_tolerance_class: 6H INTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-479-2212, 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
120268
NSN: 3120-00-479-2212
NIINs: 004792212, 011379443, 011890394
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
nut_styleHEXAGON
thread_seriesISO M
thread_directionRIGHT-HAND
nominal_thread_size6.0 MILLIMETERS MM
thread_tolerance_class6H INTERNAL
NSN3120-00-479-2212
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 120268 · 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
•
SURFACE FINISH: 20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: CHAMFERED INSIDE LEFT CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER1.6100 INCHES MINIMUM AND 1.6300 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.3765 INCHES MINIMUM AND 1.3775 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
AS120268Reference document
Same NSN cross-reference
Reference document — Secondary reference
1202681Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 120268?
120268 is a PARTS KIT,COUPLING.
What parts can replace 120268?
There are 2 known substitutes for 120268: AS120268, 1202681. Substitute compatibility should be verified for your specific system.
What is the NSN for 120268?
120268 is cataloged in the U.S. Government catalog under NSN 3120-00-479-2212. 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.