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556-6406591-MPAD-C50 — PLATE,RETAINING,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

556-6406591-MPAD-C50: PLATE,RETAINING,SHAFT.

The PLATE,RETAINING,SHAFT is a the manufacturer industrial component. Key specifications include shape: ELLIPTICAL, material: STEEL, thickness: 1.1250 INCHES NOMINAL IN, special_features: ONE UNTHD HOLE SPACED 0.719 IN. C TO C WITH BORE; MTG HOLE SPACING: 1.562 IN.

BETWEEN CENTERS IN, aperture_diameter: 0.6880 INCHES NOMINAL IN, mounting_hole_diameter: 0.4060 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 3040-01-415-8317, 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
556-6406591-MPAD-C50
NSN: 3040-01-415-8317
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
shapeELLIPTICAL
materialSTEEL
thickness1.1250 INCHES NOMINAL IN
special_featuresONE UNTHD HOLE SPACED 0.719 IN. C TO C WITH BORE; MTG HOLE SPACING: 1.562 IN. BETWEEN CENTERS IN
aperture_diameter0.6880 INCHES NOMINAL IN
mounting_hole_diameter0.4060 INCHES NOMINAL IN
mounting_hole_quantity2
end_item_identificationSEAWOLF CLASS SSN
NSN3040-01-415-8317
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE,RETAINING,SHAFT TITLE COMPONENT PN 556-6406591-MPAD-C50 MFR PLATE,RETAINING,SHAFT
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 2
•
MOUNTING HOLE DIAMETER: 0.4060 INCHES NOMINAL IN
•
SHAPE: ELLIPTICAL
•
APERTURE DIAMETER: 0.6880 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
THICKNESS: 1.1250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
MOUNTING HOLE DIAMETER0.4060 INCHES NOMINAL IN
SHAPEELLIPTICAL
APERTURE DIAMETER0.6880 INCHES NOMINAL IN
SPECIAL FEATURESONE UNTHD HOLE SPACED 0.719 IN. C TO C WITH BORE; MTG HOLE SPACING: 1.562 IN. BETWEEN CENTERS IN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL
THICKNESS1.1250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
556-6406591Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
556-6406591-MPAD-D50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
556-6406591-MPAD-B50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
556-6406591-MPAD-A50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 556-6406591-MPAD-C50?
556-6406591-MPAD-C50 is a PLATE,RETAINING,SHAFT.
What parts can replace 556-6406591-MPAD-C50?
There are 4 known substitutes for 556-6406591-MPAD-C50: 556-6406591, 556-6406591-MPAD-D50, 556-6406591-MPAD-B50 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-6406591-MPAD-C50?
556-6406591-MPAD-C50 is cataloged in the U.S. Government catalog under NSN 3040-01-415-8317. 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.