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74839271 — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

74839271: CYLINDER ASSEMBLY,ACTUATING,LINE.

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include port_style: GASKET SEAL, body_material: STEEL, bore_diameter: 2.250 INCHES NOMINAL IN, extended_length: 107.250 INCHES NOMINAL IN, compressed_length: 61.250 INCHES NOMINAL IN, body_outside_diameter: 2.980 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-020-8726, 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
74839271
NSN: 3040-01-020-8726
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
port_styleGASKET SEAL
body_materialSTEEL
bore_diameter2.250 INCHES NOMINAL IN
extended_length107.250 INCHES NOMINAL IN
compressed_length61.250 INCHES NOMINAL IN
body_outside_diameter2.980 INCHES NOMINAL IN
design_characteristicsSINGLE ACTING SINGLE CYLINDER
first_piston_rod_end_styleEXTERNAL THREADED
integral_valve_operation_methodHYDRAULIC
NSN3040-01-020-8726
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,ACTUATING,LINE TITLE COMPONENT PN 74839271 MFR CYLINDER ASSEMBLY,ACTU
KEY FEATURES
•
COMPRESSED LENGTH: 61.250 INCHES NOMINAL IN
•
EXTENDED LENGTH: 107.250 INCHES NOMINAL IN
•
DESIGN CHARACTERISTICS: SINGLE ACTING SINGLE CYLINDER
•
BODY OUTSIDE DIAMETER: 2.980 INCHES NOMINAL IN
•
FIRST PISTON ROD END STYLE: EXTERNAL THREADED
•
BODY MATERIAL: STEEL
•
PORT STYLE: GASKET SEAL
•
INTEGRAL VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS
COMPRESSED LENGTH61.250 INCHES NOMINAL IN
EXTENDED LENGTH107.250 INCHES NOMINAL IN
DESIGN CHARACTERISTICSSINGLE ACTING SINGLE CYLINDER
BODY OUTSIDE DIAMETER2.980 INCHES NOMINAL IN
FIRST PISTON ROD END STYLEEXTERNAL THREADED
BODY MATERIALSTEEL
PORT STYLEGASKET SEAL
INTEGRAL VALVE OPERATION METHODHYDRAULIC
BORE DIAMETER2.250 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES 1
4816883Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74839271?
74839271 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace 74839271?
There is 1 known substitute for 74839271: 4816883. Substitute compatibility should be verified for your specific system.
What is the NSN for 74839271?
74839271 is cataloged in the U.S. Government catalog under NSN 3040-01-020-8726. 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.