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6408594 — COUPLING,SHAFT,RIGID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6408594: COUPLING,SHAFT,RIGID.

The COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, body_style: MULTIPLE POSITIONING HOLES, bore_shape: SPLINED, bore_length: 4.5000 INCHES NOMINAL IN, spline_type: INVOLUTE, body_material: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-426-7886, 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
6408594
NSN: 3010-01-426-7886
NIINs: 014267886, 014267887, 014267888, 014267891, 014267893, 014454792
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_styleMULTIPLE POSITIONING HOLES
bore_shapeSPLINED
bore_length4.5000 INCHES NOMINAL IN
spline_typeINVOLUTE
body_materialCOPPER ALLOY
bore_diameter2.1900 INCHES NOMINAL IN
step_quantity5
end_similarityNOT IDENTICAL
overall_length25.4100 INCHES NOMINAL IN
first_end_styleSPLINED (INVOLUTE)
spline_quantity36
NSN3010-01-426-7886
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,RIGID TITLE COMPONENT PN 6408594 MFR COUPLING,SHAFT,RIGID
KEY FEATURES
•
SPLINE TYPE: INVOLUTE
•
BORE LENGTH: 4.5000 INCHES NOMINAL IN
•
BODY STYLE: MULTIPLE POSITIONING HOLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B150 C63200 ASSN STD SINGLE MATERIAL RESPONSE
•
SPLINE MAJOR DIAMETER: 2.338 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 8.000 INCHES NOMINAL IN
•
BORE SHAPE: SPLINED
TECHNICAL CHARACTERISTICS
SPLINE TYPEINVOLUTE
BORE LENGTH4.5000 INCHES NOMINAL IN
BODY STYLEMULTIPLE POSITIONING HOLES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B150 C63200 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH4.500 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER2.338 INCHES NOMINAL IN
OUTSIDE DIAMETER8.000 INCHES NOMINAL IN
BORE SHAPESPLINED
SPLINE PRESSURE ANGLE IN DEG30.000
SPLINE QUANTITY36
SUBSTITUTES & CROSS-REFERENCES 3
DF2230 3171 FN 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
211080552Reference document
Same NSN cross-reference
Reference document — Secondary reference
751-6408594 FIND 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 6408594?
6408594 is a COUPLING,SHAFT,RIGID.
What parts can replace 6408594?
There are 3 known substitutes for 6408594: DF2230 3171 FN 1, 211080552, 751-6408594 FIND 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 6408594?
6408594 is cataloged in the U.S. Government catalog under NSN 3010-01-426-7886. 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.