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1128HM40009 — PISTON,LINEAR ACTUATING CYLINDER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1128HM40009: PISTON,LINEAR ACTUATING CYLINDER.

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: STEEL, overall_length: 4.718 INCHES NOMINAL IN, outside_diameter: 1.174 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 1650-00-421-4540, 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
1128HM40009
NSN: 1650-00-421-4540
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
overall_length4.718 INCHES NOMINAL IN
outside_diameter1.174 INCHES NOMINAL IN
NSN1650-00-421-4540
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,LINEAR ACTUATING CYLINDER TITLE COMPONENT PN 1128HM40009 MFR PISTON,LINEAR ACTUATIN
KEY FEATURES
•
OUTSIDE DIAMETER: 1.174 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.174 INCHES NOMINAL IN
OVERALL LENGTH4.718 INCHES NOMINAL IN
MATERIALSTEEL
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 2
PL1128HM40009Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1128HM40009-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1128HM40009?
1128HM40009 is a PISTON,LINEAR ACTUATING CYLINDER.
What parts can replace 1128HM40009?
There are 2 known substitutes for 1128HM40009: PL1128HM40009, 1128HM40009-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 1128HM40009?
1128HM40009 is cataloged in the U.S. Government catalog under NSN 1650-00-421-4540. 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.