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2541556 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2541556: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 6.7300 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061 OVERALL, corner_shape: SQUARE THIRD INSIDE CORNER, surface_finish: 125.0 MICROINCHES RIGHT SIDE, outside_diameter: 0.8750 INCHES NOMINAL IN, special_features: ENAMEL,MIL-E-15090,TY 3,CL 1 EXTERNAL SURFACE; W/6 INSERT SCREW THD MS124694. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-009-2977, 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
2541556
NSN: 3120-01-009-2977
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter6.7300 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061 OVERALL
corner_shapeSQUARE THIRD INSIDE CORNER
surface_finish125.0 MICROINCHES RIGHT SIDE
outside_diameter0.8750 INCHES NOMINAL IN
special_featuresENAMEL,MIL-E-15090,TY 3,CL 1 EXTERNAL SURFACE; W/6 INSERT SCREW THD MS124694
style_designatorROUND
counterbore_depth0.1500 INCHES NOMINAL IN
overall_thickness0.4750 INCHES NOMINAL IN
surface_treatmentOXIDE FILM INSIDE DIAMETER SURFACE OF BODY
counterbore_diameter7.5020 INCHES MINIMUM AND 7.5080 INCHES MAXIMUM IN
center_hole_shape_styleROUND
NSN3120-01-009-2977
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2541556 · 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: 125.0 MICROINCHES RIGHT SIDE
•
CORNER SHAPE: SQUARE THIRD INSIDE CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES RIGHT SIDE
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT SIDE
SURFACE FINISH63.0 MICROINCHES COUNTERBORE DIAMETER
CORNER SHAPESQUARE THIRD INSIDE CORNER
CORNER SHAPESQUARE FOURTH INSIDE CORNER
CORNER SHAPESQUARE FIRST INSIDE CORNER
CORNER SHAPEROUND SECOND OUTSIDE CORNER
CORNER SHAPEROUND FIRST OUTSIDE CORNER
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2541556?
2541556 is a BEARING,WASHER,THRUST.
What is the NSN for 2541556?
2541556 is cataloged in the U.S. Government catalog under NSN 3120-01-009-2977. This indicates validated use in U.S. government and defense supply chains.
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