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12123-503 ✓ 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 THROUGH BORE, bore_length: 5.000 INCHES NOMINAL THROUGH BORE IN, bore_diameter: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN, overall_length: 5.000 INCHES NOMINAL IN, overall_diameter: 1.625 INCHES NOMINAL IN, style_designator: PLAIN SLEEVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-01-394-8157, 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
12123-503
NSN: 3010-01-394-8157
FSC: 3010
CAGE: 72166 — B.W. ELLIOTT MANUFACTURING CO., LLC (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT THROUGH BORE
bore_length5.000 INCHES NOMINAL THROUGH BORE IN
bore_diameter1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN
overall_length5.000 INCHES NOMINAL IN
overall_diameter1.625 INCHES NOMINAL IN
style_designatorPLAIN SLEEVE
NSN3010-01-394-8157
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,RIGID TITLE COMPONENT PN 12123-503 MFR COUPLING,SHAFT,RIGID
KEY FEATURES
•
STYLE DESIGNATOR: PLAIN SLEEVE
•
OVERALL DIAMETER: 1.625 INCHES NOMINAL IN
•
BORE DIAMETER: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN
•
BORE LENGTH: 5.000 INCHES NOMINAL THROUGH BORE IN
•
BORE SHAPE: STRAIGHT THROUGH BORE
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN SLEEVE
OVERALL DIAMETER1.625 INCHES NOMINAL IN
BORE DIAMETER1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN
BORE LENGTH5.000 INCHES NOMINAL THROUGH BORE IN
BORE SHAPESTRAIGHT THROUGH BORE
OVERALL LENGTH5.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5006-1Interchangeable
interchangeable cross-reference
interchangeable
948276-1-1Interchangeable
interchangeable cross-reference
interchangeable
37C302103P104Interchangeable
interchangeable cross-reference
interchangeable
1941879Interchangeable
interchangeable cross-reference
interchangeable
5999006297250Interchangeable
interchangeable cross-reference
interchangeable
1001487Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12123-503?
12123-503 is a COUPLING,SHAFT,RIGID.
What parts can replace 12123-503?
There are 14 known substitutes for 12123-503: 5006-1, 948276-1-1, 37C302103P104 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12123-503?
12123-503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-01-394-8157. 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