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PartsTable / COMPONENT / 4840-123
4840-123 ✓ 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 COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT FIRST END, bore_length: 1.5000 INCHES NOMINAL FIRST END IN, body_material: COPPER ALLOY AND STEEL, bore_diameter: 0.7500 INCHES NOMINAL FIRST END IN, overall_length: 4.2547 INCHES NOMINAL IN, special_features: SECOND END 1.286 IN. LG SHAFT WITH KEYWAY AND PIN HOLE IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-388-0831, 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
4840-123
NSN: 3010-00-388-0831
FSC: 3010
CAGE: 58037 — ELLIOTT B W MFG CO LLC FLEX SHAFT AND VALVE CONTROL PRODUCT LINES (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT FIRST END
bore_length1.5000 INCHES NOMINAL FIRST END IN
body_materialCOPPER ALLOY AND STEEL
bore_diameter0.7500 INCHES NOMINAL FIRST END IN
overall_length4.2547 INCHES NOMINAL IN
special_featuresSECOND END 1.286 IN. LG SHAFT WITH KEYWAY AND PIN HOLE IN
end_item_identificationWEAPONS SYSTEM SHIP, OHIO CLASS SSN (TRIDENT)
NSN3010-00-388-0831
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,RIGID TITLE COMPONENT PN 4840-123 MFR COUPLING,SHAFT,RIGID
KEY FEATURES
•
BORE SHAPE: STRAIGHT FIRST END
•
BODY MATERIAL: COPPER ALLOY AND STEEL
•
BORE LENGTH: 1.5000 INCHES NOMINAL FIRST END IN
•
BORE DIAMETER: 0.7500 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSECOND END 1.286 IN. LG SHAFT WITH KEYWAY AND PIN HOLE IN
BORE SHAPESTRAIGHT FIRST END
BODY MATERIALCOPPER ALLOY AND STEEL
BORE LENGTH1.5000 INCHES NOMINAL FIRST END IN
OVERALL LENGTH4.2547 INCHES NOMINAL IN
BORE DIAMETER0.7500 INCHES NOMINAL FIRST END IN
END ITEM IDENTIFICATIONWEAPONS SYSTEM SHIP, OHIO CLASS SSN (TRIDENT)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
6408364Interchangeable
interchangeable cross-reference
interchangeable
8671-103X9FTInterchangeable
interchangeable cross-reference
interchangeable
5387-501Interchangeable
interchangeable cross-reference
interchangeable
512-6408364Interchangeable
interchangeable cross-reference
interchangeable
512-6408364-10Interchangeable
Same NIIN cross-reference
interchangeable
211058335Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4840-123?
4840-123 is a COUPLING,SHAFT,RIGID.
What parts can replace 4840-123?
There are 8 known substitutes for 4840-123: 6408364, 8671-103X9FT, 5387-501 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4840-123?
4840-123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-388-0831. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026