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SM-B-540897 — COUPLING,SHAFT,RIGID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SM-B-540897: COUPLING,SHAFT,RIGID.

The COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT BOTH ENDS, bore_length: 0.219 INCHES NOMINAL BOTH ENDS IN, body_material: ALUMINUM, bore_diameter: 0.125 INCHES NOMINAL BOTH ENDS IN, overall_length: 0.688 INCHES NOMINAL IN, overall_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-937-9906, 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
SM-B-540897
NSN: 3010-00-937-9906
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT BOTH ENDS
bore_length0.219 INCHES NOMINAL BOTH ENDS IN
body_materialALUMINUM
bore_diameter0.125 INCHES NOMINAL BOTH ENDS IN
overall_length0.688 INCHES NOMINAL IN
overall_diameter0.375 INCHES NOMINAL IN
style_designatorPLAIN SLEEVE
surface_treatmentANODIZE
thread_size_designator4-40
threaded_hole_quantity2
NSN3010-00-937-9906
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,RIGID TITLE COMPONENT PN SM-B-540897 MFR COUPLING,SHAFT,RIGID
KEY FEATURES
•
BORE LENGTH: 0.219 INCHES NOMINAL BOTH ENDS IN
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN SLEEVE
•
BORE SHAPE: STRAIGHT BOTH ENDS
•
BODY MATERIAL: ALUMINUM
•
THREADED HOLE QUANTITY: 2
•
THREAD SIZE DESIGNATOR: 4-40
TECHNICAL CHARACTERISTICS
BORE LENGTH0.219 INCHES NOMINAL BOTH ENDS IN
OVERALL DIAMETER0.375 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN SLEEVE
OVERALL LENGTH0.688 INCHES NOMINAL IN
BORE SHAPESTRAIGHT BOTH ENDS
BODY MATERIALALUMINUM
THREADED HOLE QUANTITY2
THREAD SIZE DESIGNATOR4-40
SURFACE TREATMENTANODIZE
BORE DIAMETER0.125 INCHES NOMINAL BOTH ENDS IN
OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3010-00-010-0577 3010-00-267-4959 3010-00-356-3346 3010-00-395-0188
SUBSTITUTES & CROSS-REFERENCES 1
MB535-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SM-B-540897?
SM-B-540897 is a COUPLING,SHAFT,RIGID.
What parts can replace SM-B-540897?
There is 1 known substitute for SM-B-540897: MB535-1. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-540897?
SM-B-540897 is cataloged in the U.S. Government catalog under NSN 3010-00-937-9906. 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.