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3979P11 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3979P11: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 2.4530 INCHES MINIMUM AND 2.4690 INCHES MAXIMUM IN, material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 3.1720 INCHES MINIMUM AND 3.2030 INCHES MAXIMUM IN, style_designator: ROUND, overall_thickness: 0.2508 INCHES MINIMUM AND 0.2511 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-352-9192, 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
3979P11
NSN: 3120-00-352-9192
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 27618 — TAYLOR MACHINE WORKS INC (USA)
SPECIFICATIONS
diameter2.4530 INCHES MINIMUM AND 2.4690 INCHES MAXIMUM IN
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter3.1720 INCHES MINIMUM AND 3.2030 INCHES MAXIMUM IN
style_designatorROUND
overall_thickness0.2508 INCHES MINIMUM AND 0.2511 INCHES MAXIMUM IN
surface_conditionGROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-352-9192
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3979P11 · 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
•
OVERALL THICKNESS: 0.2508 INCHES MINIMUM AND 0.2511 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 2.4530 INCHES MINIMUM AND 2.4690 INCHES MAXIMUM IN
•
SURFACE CONDITION: GROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 3.1720 INCHES MINIMUM AND 3.2030 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.2508 INCHES MINIMUM AND 0.2511 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
DIAMETER2.4530 INCHES MINIMUM AND 2.4690 INCHES MAXIMUM IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.1720 INCHES MINIMUM AND 3.2030 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
2203P1082Same 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3979P11?
3979P11 is a BEARING,WASHER,THRUST.
What parts can replace 3979P11?
There is 1 known substitute for 3979P11: 2203P1082. Substitute compatibility should be verified for your specific system.
What is the NSN for 3979P11?
3979P11 is cataloged in the U.S. Government catalog under NSN 3120-00-352-9192. 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.