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12123-503 — COUPLING,SHAFT,RIGID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12123-503: COUPLING,SHAFT,RIGID.

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 part is cataloged in the U.S.

Government catalog 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 — Torque Converters and Speed Changers
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
•
BORE LENGTH: 5.000 INCHES NOMINAL THROUGH BORE IN
•
OVERALL DIAMETER: 1.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN SLEEVE
•
BORE SHAPE: STRAIGHT THROUGH BORE
•
BORE DIAMETER: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN
TECHNICAL CHARACTERISTICS
BORE LENGTH5.000 INCHES NOMINAL THROUGH BORE IN
OVERALL DIAMETER1.625 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN SLEEVE
OVERALL LENGTH5.000 INCHES NOMINAL IN
BORE SHAPESTRAIGHT THROUGH BORE
BORE DIAMETER1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN
SUBSTITUTES & CROSS-REFERENCES 4
6776765 SUB ITEM 406Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
50061Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
50061-516Reference document
Same NSN cross-reference
Reference document — Secondary reference
701-6776765 SUB ITEM 406Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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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 4 known substitutes for 12123-503: 6776765 SUB ITEM 406, 50061, 50061-516 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12123-503?
12123-503 is cataloged in the U.S. Government catalog under NSN 3010-01-394-8157. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.