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Technical Data Sheet
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T404-3 — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

T404-3: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT BOTH ENDS, bore_length: 0.2500 INCHES NOMINAL BOTH ENDS IN, design_type: BELLOWS, bore_diameter: 0.1879 INCHES NOMINAL BOTH ENDS IN, overall_length: 0.750 INCHES NOMINAL IN, securing_method: THREADED HOLE(S) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-580-4502, 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
T404-3
NSN: 3010-00-580-4502
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 00328 — DESIGNATRONICS INCORPORATED DIV STERLING INSTRUMENTS DIV (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT BOTH ENDS
bore_length0.2500 INCHES NOMINAL BOTH ENDS IN
design_typeBELLOWS
bore_diameter0.1879 INCHES NOMINAL BOTH ENDS IN
overall_length0.750 INCHES NOMINAL IN
securing_methodTHREADED HOLE(S) SECOND END
bellows_materialCOPPER ALLOY 511
outside_diameter0.469 INCHES NOMINAL IN
thread_size_designator4-40 THD SIZE BOTH ENDS
threaded_hole_locationBOTH ENDS: LOCATED 120 DEG APART
threaded_hole_quantity2 BOTH ENDS
NSN3010-00-580-4502
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN T404-3 MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
SECURING METHOD: THREADED HOLE(S) SECOND END
•
THREADED HOLE LOCATION: BOTH ENDS: LOCATED 120 DEG APART
•
BORE LENGTH: 0.2500 INCHES NOMINAL BOTH ENDS IN
•
DESIGN TYPE: BELLOWS
•
OUTSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT BOTH ENDS
•
THREADED HOLE QUANTITY: 2 BOTH ENDS
TECHNICAL CHARACTERISTICS
SECURING METHODTHREADED HOLE(S) SECOND END
THREADED HOLE LOCATIONBOTH ENDS: LOCATED 120 DEG APART
BORE LENGTH0.2500 INCHES NOMINAL BOTH ENDS IN
DESIGN TYPEBELLOWS
OVERALL LENGTH0.750 INCHES NOMINAL IN
OUTSIDE DIAMETER0.469 INCHES NOMINAL IN
BORE SHAPESTRAIGHT BOTH ENDS
THREADED HOLE QUANTITY2 BOTH ENDS
THREAD SIZE DESIGNATOR4-40 THD SIZE BOTH ENDS
BELLOWS MATERIALCOPPER ALLOY 511
SUBSTITUTES & CROSS-REFERENCES 1
7436949P1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T404-3?
T404-3 is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace T404-3?
There is 1 known substitute for T404-3: 7436949P1. Substitute compatibility should be verified for your specific system.
What is the NSN for T404-3?
T404-3 is cataloged in the U.S. Government catalog under NSN 3010-00-580-4502. 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.