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3679199 — SWITCH SECTION,ROTARY

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3679199: SWITCH SECTION,ROTARY.

The SWITCH SECTION,ROTARY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, locking_lug_width: 0.1980 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN, locking_lug_height: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-343-1321, 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
3679199
NSN: 3120-00-343-1321
NIINs: 003431321, 011920597
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.1980 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN
locking_lug_height0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
locking_lug_length0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
body_inside_diameter2.5040 INCHES NOMINAL IN
body_outside_diameter2.6465 INCHES NOMINAL IN
distance_from_lug_end_to_end_of_bearing1.0200 INCHES NOMINAL IN
NSN3120-00-343-1321
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3679199 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
LOCKING LUG HEIGHT: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.6465 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.5040 INCHES NOMINAL IN
•
LOCKING LUG WIDTH: 0.1980 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN
•
DISTANCE FROM LUG END TO END OF BEARING: 1.0200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
LOCKING LUG HEIGHT0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.6465 INCHES NOMINAL IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.5040 INCHES NOMINAL IN
LOCKING LUG WIDTH0.1980 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN
DISTANCE FROM LUG END TO END OF BEARING1.0200 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
LOCKING LUG LENGTH0.1750 INCHES MINIMUM AND 0.1800 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 3679199?
3679199 is a SWITCH SECTION,ROTARY.
What is the NSN for 3679199?
3679199 is cataloged in the U.S. Government catalog under NSN 3120-00-343-1321. 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.