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9553P — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9553P: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include bore_shape: TAPERED BOTH ENDS, bore_length: 3.3750 INCHES NOMINAL BOTH ENDS IN, design_type: INTERNAL GEAR, keyway_depth: 0.2660 INCHES NOMINAL BOTH ENDS IN, keyway_width: 0.500 INCHES NOMINAL BOTH ENDS IN, overall_length: 8.313 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-253-0575, 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
9553P
NSN: 3010-00-253-0575
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
bore_shapeTAPERED BOTH ENDS
bore_length3.3750 INCHES NOMINAL BOTH ENDS IN
design_typeINTERNAL GEAR
keyway_depth0.2660 INCHES NOMINAL BOTH ENDS IN
keyway_width0.500 INCHES NOMINAL BOTH ENDS IN
overall_length8.313 INCHES NOMINAL IN
outside_diameter8.370 INCHES MINIMUM AND 8.375 INCHES MAXIMUM IN
features_providedKEYWAY AND EXPOSED COUPLING BOLT TYPE AND MILL MOTOR AND SHROUDED COUPLING BOLT TYPE
keying_facility_typeKEYWAY BOTH ENDS
taper_minor_diameter2.1370 INCHES NOMINAL BOTH ENDS IN
taper_largest_diameter2.3130 INCHES NOMINAL BOTH ENDS IN
keying_facility_quantity1 BOTH ENDS
NSN3010-00-253-0575
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN 9553P MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
KEYWAY DEPTH: 0.2660 INCHES NOMINAL BOTH ENDS IN
•
BORE LENGTH: 3.3750 INCHES NOMINAL BOTH ENDS IN
•
DESIGN TYPE: INTERNAL GEAR
•
TAPER MINOR DIAMETER: 2.1370 INCHES NOMINAL BOTH ENDS IN
•
KEYING FACILITY TYPE: KEYWAY BOTH ENDS
•
OUTSIDE DIAMETER: 8.370 INCHES MINIMUM AND 8.375 INCHES MAXIMUM IN
•
FEATURES PROVIDED: KEYWAY AND EXPOSED COUPLING BOLT TYPE AND MILL MOTOR AND SHROUDED COUPLING BOLT TYPE
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.2660 INCHES NOMINAL BOTH ENDS IN
BORE LENGTH3.3750 INCHES NOMINAL BOTH ENDS IN
DESIGN TYPEINTERNAL GEAR
TAPER MINOR DIAMETER2.1370 INCHES NOMINAL BOTH ENDS IN
KEYING FACILITY TYPEKEYWAY BOTH ENDS
OVERALL LENGTH8.313 INCHES NOMINAL IN
OUTSIDE DIAMETER8.370 INCHES MINIMUM AND 8.375 INCHES MAXIMUM IN
FEATURES PROVIDEDKEYWAY AND EXPOSED COUPLING BOLT TYPE AND MILL MOTOR AND SHROUDED COUPLING BOLT TYPE
BORE SHAPETAPERED BOTH ENDS
KEYING FACILITY QUANTITY1 BOTH ENDS
OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3010-00-001-0013 3010-00-001-0067 3010-00-001-0069 3010-00-001-0095 3010-00-001-1239 3010-00-001-1689 3010-00-001-2168 3010-00-001-2173
SUBSTITUTES & CROSS-REFERENCES 4
CYB41S4700-58ALT2PC257Reference document
Same NSN cross-reference
Reference document — Secondary reference
SL6115PC257Reference document
Same NSN cross-reference
Reference document — Secondary reference
SL6105PC257Reference document
Same NSN cross-reference
Reference document — Secondary reference
CVB41S4700-55ALT1PC257Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9553P?
9553P is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 9553P?
There are 4 known substitutes for 9553P: CYB41S4700-58ALT2PC257, SL6115PC257, SL6105PC257 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9553P?
9553P is cataloged in the U.S. Government catalog under NSN 3010-00-253-0575. 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.