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8081392 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8081392: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 4.0040 INCHES NOMINAL IN, material: IRON CAST OVERALL, corner_shape: SQUARE THIRD OUTSIDE CORNER, outside_diameter: 6.0000 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.3990 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-366-2875, 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
8081392
NSN: 3120-00-366-2875
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
diameter4.0040 INCHES NOMINAL IN
materialIRON CAST OVERALL
corner_shapeSQUARE THIRD OUTSIDE CORNER
outside_diameter6.0000 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.3990 INCHES NOMINAL IN
surface_conditionGROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
bearing_surface_hole_diameter0.2720 INCHES NOMINAL FIRST IN
NSN3120-00-366-2875
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8081392 · 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 SECOND OUTSIDE CORNER
•
BEARING SURFACE HOLE DIAMETER: 0.2720 INCHES NOMINAL FIRST IN
•
OVERALL THICKNESS: 0.3990 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 4.0040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE SECOND OUTSIDE CORNER
CORNER SHAPESQUARE FOURTH OUTSIDE CORNER
CORNER SHAPESQUARE FIRST OUTSIDE CORNER
CORNER SHAPESQUARE THIRD OUTSIDE CORNER
BEARING SURFACE HOLE DIAMETER0.2720 INCHES NOMINAL FIRST IN
OVERALL THICKNESS0.3990 INCHES NOMINAL IN
STYLE DESIGNATORROUND
DIAMETER4.0040 INCHES NOMINAL IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
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

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 8081392?
8081392 is a BEARING,WASHER,THRUST.
What is the NSN for 8081392?
8081392 is cataloged in the U.S. Government catalog under NSN 3120-00-366-2875. 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.