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M2540 — RECTIFIER,SEMICONDUCTOR DEVICE,U

✓ Government record, cited
Legrand · TAPERED BEARING
PRODUCT OVERVIEW

M2540: RECTIFIER,SEMICONDUCTOR DEVICE,U.

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include material: SILICON, bore_shape: STRAIGHT, bore_diameter: 1.6875 INCHES NOMINAL IN, overall_width: 1.740 INCHES MINIMUM AND 1.800 INCHES MAXIMUM IN, overall_height: 1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN, overall_length: 2.240 INCHES MINIMUM AND 2.300 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-491-0414, 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
M2540
NSN: 3110-00-491-0414
NIINs: 004910414, 012682973, 014526358
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSILICON
bore_shapeSTRAIGHT
bore_diameter1.6875 INCHES NOMINAL IN
overall_width1.740 INCHES MINIMUM AND 1.800 INCHES MAXIMUM IN
overall_height1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
overall_length2.240 INCHES MINIMUM AND 2.300 INCHES MAXIMUM IN
surface_finishGROUND
mounting_methodSLOT AND UNTHREADED HOLE(S)
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorSOLID INNER RACE, JOURNAL AND NEEDLE
end_item_identificationAIRCRAFT, B52 BOMBER (ATB); AIRCRAFT, HERCULES C-130; U-2 SUPPORT EQUIPMENT; AIRCRAFT, PHANTOM F-4; AIRCRAFT, STRATOLIFTER C-135
overall_outside_diameter2.0000 INCHES NOMINAL IN
NSN3110-00-491-0414
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M2540 · Legrand ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SOLID INNER RACE, JOURNAL AND NEEDLE
•
OVERALL OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
BORE DIAMETER: 1.6875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORSOLID INNER RACE, JOURNAL AND NEEDLE
OVERALL WIDTH1.0100 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESOIL HOLE IN RING
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER1.6875 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M2540?
M2540 is a RECTIFIER,SEMICONDUCTOR DEVICE,U manufactured by Legrand.
What is the NSN for M2540?
M2540 is cataloged in the U.S. Government catalog under NSN 3110-00-491-0414. This indicates validated use in U.S. government and defense supply chains.
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