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PartsTable / COMPONENT / MJ2-4-2
MJ2-4-2 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: IRON CAST OVERALL, bore_type: STRAIGHT, face_width: 0.750 INCHES NOMINAL IN, bore_length: 1.469 INCHES NOMINAL IN, design_form: SPOKED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-050-4380, 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
MJ2-4-2
NSN: 3020-00-050-4380
FSC: 3020
CAGE: 98437 — ELLIS & WATTS INTERNATIONAL, LLC (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialIRON CAST OVERALL
quantity1
bore_typeSTRAIGHT
face_width0.750 INCHES NOMINAL IN
bore_length1.469 INCHES NOMINAL IN
design_formSPOKED
thread_size0.312-18
bore_featureINCLUDED
groove_depth0.500 INCHES NOMINAL IN
groove_width0.500 INCHES NOMINAL IN
keyway_width0.188 INCHES NOMINAL IN
NSN3020-00-050-4380
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN MJ2-4-2 MFR PULLEY,GROOVE
KEY FEATURES
•
KEYWAY WIDTH: 0.188 INCHES NOMINAL IN
•
LIGHTENING HOLE: NOT INCLUDED
•
UNABLE TO DECODE: UNABLE TO DECODE AND UNABLE TO DECODE
•
SECURING LOCATION: AA END
•
BORE FEATURE: INCLUDED
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
HUB OUTSIDE DIAMETER: 1.750 INCHES MINIMUM AA END IN
•
STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED: A-3L4L
TECHNICAL CHARACTERISTICS (FLIS)
KEYWAY WIDTH0.188 INCHES NOMINAL IN
LIGHTENING HOLENOT INCLUDED
UNABLE TO DECODEUNABLE TO DECODE AND UNABLE TO DECODE
SECURING LOCATIONAA END
BORE FEATUREINCLUDED
INTEGRAL COOLING VANENOT INCLUDED
HUB OUTSIDE DIAMETER1.750 INCHES MINIMUM AA END IN
STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNEDA-3L4L
BEARINGSNOT INCLUDED
KEYING FACILITY TYPEKEYWAY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
X4806AInterchangeable
interchangeable cross-reference
interchangeable
C1Interchangeable
interchangeable cross-reference
interchangeable
342Interchangeable
interchangeable cross-reference
interchangeable
13213E2403Interchangeable
interchangeable cross-reference
interchangeable
2562-44325-2Interchangeable
interchangeable cross-reference
interchangeable
134358-003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MJ2-4-2?
MJ2-4-2 is a PULLEY,GROOVE.
What parts can replace MJ2-4-2?
There are 14 known substitutes for MJ2-4-2: X4806A, C1, 342 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MJ2-4-2?
MJ2-4-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-050-4380. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026