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125SN — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

125SN: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include diameter: 0.125 INCHES NOMINAL IN, overall_length: 3.625 INCHES NOMINAL IN, special_features: STAINLESS STEEL MATERIAL, style_designator: FLAT, METAL HANDLE, brush_part_length: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-185-9846, 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
125SN
NSN: 3010-00-185-9846
NIINs: 001859846, 010678929
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 59747 — REXNORD INDUSTRIES, LLC DIV COUPLINGS DIVISION (USA)
SPECIFICATIONS
diameter0.125 INCHES NOMINAL IN
overall_length3.625 INCHES NOMINAL IN
special_featuresSTAINLESS STEEL MATERIAL
style_designatorFLAT, METAL HANDLE
brush_part_length0.125 INCHES NOMINAL IN
NSN3010-00-185-9846
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN 125SN MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
KEYWAY DEPTH: 0.1250 INCHES NOMINAL SECOND END IN
•
SECURING METHOD: KEY BOTH ENDS
•
BORE LENGTH: 1.6250 INCHES NOMINAL BOTH ENDS IN
•
DESIGN TYPE: DISK
•
KEYING FACILITY TYPE: KEYWAY BOTH ENDS
•
FEATURES PROVIDED: KEYWAY AND EXPOSED COUPLING BOLT TYPE
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.1250 INCHES NOMINAL SECOND END IN
KEYWAY DEPTH0.1562 INCHES NOMINAL FIRST END IN
SECURING METHODKEY BOTH ENDS
BORE LENGTH1.6250 INCHES NOMINAL BOTH ENDS IN
DESIGN TYPEDISK
KEYING FACILITY TYPEKEYWAY BOTH ENDS
OVERALL LENGTH9.000 INCHES NOMINAL9.000 INCHES NOMINAL IN
FEATURES PROVIDEDKEYWAY AND EXPOSED COUPLING BOLT TYPE
BORE SHAPESTRAIGHT BOTH ENDS
KEYING FACILITY QUANTITY1 BOTH ENDS
SUBSTITUTES & CROSS-REFERENCES 1
26731Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 125SN?
125SN is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 125SN?
There is 1 known substitute for 125SN: 26731. Substitute compatibility should be verified for your specific system.
What is the NSN for 125SN?
125SN is cataloged in the U.S. Government catalog under NSN 3010-00-185-9846. 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.