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89H1056-11 — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

89H1056-11: CYLINDER ASSEMBLY,ACTUATING,LINE.

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include port_style: GASKET SEAL, body_material: STEEL, bore_diameter: 3.312 INCHES NOMINAL IN, overall_width: 4.625 INCHES NOMINAL IN, overall_height: 5.750 INCHES NOMINAL IN, extended_length: 49.687 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 1650-00-305-4398, 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
89H1056-11
NSN: 1650-00-305-4398
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
port_styleGASKET SEAL
body_materialSTEEL
bore_diameter3.312 INCHES NOMINAL IN
overall_width4.625 INCHES NOMINAL IN
overall_height5.750 INCHES NOMINAL IN
extended_length49.687 INCHES NOMINAL IN
pressure_rating3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
compressed_length32.000 INCHES NOMINAL IN
port_thread_class3B
seat_angle_in_deg60.0
fsc_application_dataHYDRAULIC SYSTEM,AIRCRAFT
port_thread_diameter0.563 INCHES NOMINAL IN
NSN1650-00-305-4398
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,ACTUATING,LINE TITLE COMPONENT PN 89H1056-11 MFR CYLINDER ASSEMBLY,ACTU
KEY FEATURES
•
FSC APPLICATION DATA: HYDRAULIC SYSTEM,AIRCRAFT
•
PRESSURE RATING: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
COMPRESSED LENGTH: 32.000 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 60.0
•
EXTENDED LENGTH: 49.687 INCHES NOMINAL IN
•
DESIGN CHARACTERISTICS: DOUBLE ACTING SINGLE CYLINDER
•
PORT THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT5.750 INCHES NOMINAL IN
FSC APPLICATION DATAHYDRAULIC SYSTEM,AIRCRAFT
PRESSURE RATING3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
COMPRESSED LENGTH32.000 INCHES NOMINAL IN
SEAT ANGLE IN DEG60.0
EXTENDED LENGTH49.687 INCHES NOMINAL IN
DESIGN CHARACTERISTICSDOUBLE ACTING SINGLE CYLINDER
PORT THREAD SERIES DESIGNATORUNF
OVERALL WIDTH4.625 INCHES NOMINAL IN
PORT THREAD CLASS3B
OTHER ITEMS IN FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-000-0127 1650-00-000-0128 1650-00-000-0130 1650-00-000-0131 1650-00-000-0151 1650-00-000-0152 1650-00-001-1732 1650-00-001-1734
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 89H1056-11?
89H1056-11 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What is the NSN for 89H1056-11?
89H1056-11 is cataloged in the U.S. Government catalog under NSN 1650-00-305-4398. 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.