PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

595-6401047-AY99Cylinder Assembly,actuating,line

Naval Sea Systems Command · NSN 3040-01-450-8937 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-450-8937 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-450-8937. Primary manufacturer part number: 595-6401047-AY99.
Features
  • Cylinder Assembly,actuating,line — FSC 3040
  • Design Characteristics: SINGLE ACTING SINGLE CYLINDER
  • Mounting Provision for Which Designed: UNTHREADED MOUNTING HOLES
  • Mounting Provision Arrangement Style: SIX HOLE RECTANGULAR
  • Port Style: UNABLE TO DECODE
  • Features Provided: PISTON ROD AND SWITCH ACTUATOR
  • Mounting Type and Location: FLANGE CYLINDER BASE AND FLANGE CYLINDER HEAD END AND FLANGE PISTON ROD END
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-450-8937, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-450-8937
Primary Part Number595-6401047-AY99
Item NameCylinder Assembly,actuating,line
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Design CharacteristicsSINGLE ACTING SINGLE CYLINDER
Mounting Provision for Which DesignedUNTHREADED MOUNTING HOLES
Mounting Provision Arrangement StyleSIX HOLE RECTANGULAR
Port StyleUNABLE TO DECODE
Features ProvidedPISTON ROD AND SWITCH ACTUATOR
Mounting Type and LocationFLANGE CYLINDER BASE AND FLANGE CYLINDER HEAD END AND FLANGE PISTON ROD END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1280-00-673-1478 INTERCHANGEABLE
Valve,high Pressure
4310-01-419-3618211042140 INTERCHANGEABLE
Piston,compressor
Naval Sea Systems Command
4310-01-419-4711210041397 INTERCHANGEABLE
Lock,valve Spring Retainer
Naval Sea Systems Command
3040-01-420-16786401065 INTERCHANGEABLE
Camshaft,actuator,cylinder
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
6401047 Naval Sea Systems Command (USA)
595-6401047-AY99 PRIMARY Naval Sea Systems Command (USA)
211081586 Naval Sea Systems Command (USA)
Related Parts
1280-00-673-1478INTERCHANGEABLE
VALVE,HIGH PRESSURE
4310-01-419-3618INTERCHANGEABLE
PISTON,COMPRESSOR
211042140
4310-01-419-4711INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
210041397
3040-01-420-1678INTERCHANGEABLE
CAMSHAFT,ACTUATOR,CYLINDER
6401065

Frequently Asked Questions

What is NSN 3040-01-450-8937?

NSN 3040-01-450-8937 is a Cylinder Assembly,actuating,line, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-450-8937?

NSN 3040-01-450-8937 has 3 cross-referenced part numbers: 6401047 (Naval Sea Systems Command), 595-6401047-AY99 (Naval Sea Systems Command), 211081586 (Naval Sea Systems Command).

What NSN replaces 3040-01-450-8937?

There are 4 known substitutes for 3040-01-450-8937: 1280-00-673-1478, 4310-01-419-3618, 4310-01-419-4711 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 595-6401047-AY99?

Key specifications for 595-6401047-AY99: Design Characteristics: SINGLE ACTING SINGLE CYLINDER; End Item Identification: NAVY WEAPONS CODE JG, SEAWOLF CLASS SSN; Mounting Provision for Which Designed: UNTHREADED MOUNTING HOLES; Mounting Provision Arrangement Style: SIX HOLE RECTANGULAR. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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