PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6401065Camshaft,actuator,cylinder

Naval Sea Systems Command · NSN 3040-01-420-1678 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-420-1678 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-420-1678. Primary manufacturer part number: 6401065.
Features
  • Camshaft,actuator,cylinder — FSC 3040
  • Material: ALUMINUM AND COPPER AND NICKEL
  • Overall Diameter: 0.373 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
  • General Characteristics Item Description: USED IN AIR CYLINDER MECHANISM ASSEMBLY
  • Thread Size and Series/type Designator: 0.375-16 UNIFIED NATIONAL COARSE (UNC)
  • 6 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Applications requiring Aluminum and Copper and Nickel construction
General Description

The Camshaft,actuator,cylinder, cataloged under National Stock Number 3040-01-420-1678, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, 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
NSN3040-01-420-1678
Primary Part Number6401065
Item NameCamshaft,actuator,cylinder
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialALUMINUM AND COPPER AND NICKEL
Overall Diameter0.373 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
General Characteristics Item DescriptionUSED IN AIR CYLINDER MECHANISM ASSEMBLY
Thread Size and Series/type Designator0.375-16 UNIFIED NATIONAL COARSE (UNC)
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
3040-01-450-8937595-6401047-AY99 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
211042142 Naval Sea Systems Command (USA)
6401065 PRIMARY Naval Sea Systems Command (USA)
595-6401047-18 Naval Sea Systems Command (USA)
595-6401065-1 Naval Sea Systems Command (USA)
6401047 Naval Sea Systems Command (USA)
6401065-1 Huntington Ingalls Inc Div Newport News Shipbuilding (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
3040-01-450-8937INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
595-6401047-AY99

Frequently Asked Questions

What is NSN 3040-01-420-1678?

NSN 3040-01-420-1678 is a Camshaft,actuator,cylinder, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-420-1678?

NSN 3040-01-420-1678 has 6 cross-referenced part numbers: 211042142 (Naval Sea Systems Command), 6401065 (Naval Sea Systems Command), 595-6401047-18 (Naval Sea Systems Command), 595-6401065-1 (Naval Sea Systems Command), 6401047 (Naval Sea Systems Command) and 1 more.

What NSN replaces 3040-01-420-1678?

There are 4 known substitutes for 3040-01-420-1678: 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 6401065?

Key specifications for 6401065: Material: ALUMINUM AND COPPER AND NICKEL; Overall Diameter: 0.373 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN; General Characteristics Item Description: USED IN AIR CYLINDER MECHANISM ASSEMBLY; Overall Length: 6.250 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com