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643432 — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

643432: CYLINDER ASSEMBLY,ACTUATING,LINE.

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include end_item_identification: AIRCRAFT MODEL S-3A A. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-375-1342, 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
643432
NSN: 3040-00-375-1342
NIINs: 003751342, 010432542
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL S-3A A
NSN3040-00-375-1342
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,ACTUATING,LINE TITLE COMPONENT PN 643432 MFR CYLINDER ASSEMBLY,ACTU
KEY FEATURES
•
COMPRESSED LENGTH: 28.500 INCHES NOMINAL IN
•
EXTENDED LENGTH: 38.500 INCHES NOMINAL IN
•
DESIGN CHARACTERISTICS: DOUBLE ACTING SINGLE CYLINDER
•
PORT THREAD SERIES DESIGNATOR: UNABLE TO DECODE
•
BODY OUTSIDE DIAMETER: 5.000 INCHES NOMINAL IN
•
FIRST PISTON ROD END STYLE: UNABLE TO DECODE
•
FIRST END THICKNESS AT MOUNTING HOLES: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT5.500 INCHES NOMINAL IN
COMPRESSED LENGTH28.500 INCHES NOMINAL IN
EXTENDED LENGTH38.500 INCHES NOMINAL IN
DESIGN CHARACTERISTICSDOUBLE ACTING SINGLE CYLINDER
PORT THREAD SERIES DESIGNATORUNABLE TO DECODE
BODY OUTSIDE DIAMETER5.000 INCHES NOMINAL IN
FIRST PISTON ROD END STYLEUNABLE TO DECODE
FIRST END THICKNESS AT MOUNTING HOLESUNABLE TO DECODE
OVERALL WIDTH5.000 INCHES NOMINAL IN
BODY MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
7-643432Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 643432?
643432 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace 643432?
There is 1 known substitute for 643432: 7-643432. Substitute compatibility should be verified for your specific system.
What is the NSN for 643432?
643432 is cataloged in the U.S. Government catalog under NSN 3040-00-375-1342. 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.