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Technical Data Sheet
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550698 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

550698: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include end_item_identification: WET VALVE REBUILD KIT, part_name_assigned_by_controlling_agency: PARTS KIT,VALVE. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-083-3617, 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
550698
NSN: 3040-00-083-3617
NIINs: 000833617, 016820776
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationWET VALVE REBUILD KIT
part_name_assigned_by_controlling_agencyPARTS KIT,VALVE
NSN3040-00-083-3617
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 550698 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES
•
FSC APPLICATION DATA: TURBO-FAN HEAT EXCHANGE AIRCRAF
•
STEP QUANTITY: 6
•
FIRST END DIAMETER: 0.2495 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.2485 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.435 INCHES NOMINAL IN
•
SECOND END SPLINE MINOR DIAMETER: 0.2230 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES
FSC APPLICATION DATATURBO-FAN HEAT EXCHANGE AIRCRAF
STEP QUANTITY6
FIRST END DIAMETER0.2495 INCHES NOMINAL IN
SECOND END DIAMETER0.2485 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.435 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER0.2230 INCHES NOMINAL IN
FIRST END STYLEPLAIN
SECOND END SPLINE MAJOR DIAMETER0.2485 INCHES NOMINAL IN
OVERALL LENGTH4.185 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 550698?
550698 is a SHAFT,SHOULDERED.
What is the NSN for 550698?
550698 is cataloged in the U.S. Government catalog under NSN 3040-00-083-3617. 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.