PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AP-57Cylinder Assembly,actuating,line

Prince Manufacturing Corporation · NSN 3040-01-389-9612 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-389-9612 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-389-9612. Primary manufacturer part number: AP-57.
Features
  • Cylinder Assembly,actuating,line — FSC 3040
  • Extended Length: 17.000 INCHES NOMINAL IN
  • Bore Diameter: 1.750 INCHES NOMINAL IN
  • Pressure Rating: 800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Compressed Length: 9.000 INCHES NOMINAL IN
  • Integral Valve Operation Method: HYDRAULIC
  • 1 verified cross-reference
  • Primary manufacturer: Prince Manufacturing Corporation
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 3040-01-389-9612, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Prince Manufacturing Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-389-9612
Primary Part NumberAP-57
Item NameCylinder Assembly,actuating,line
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerPrince Manufacturing Corporation
StatusACTIVE
Extended Length17.000 INCHES NOMINAL IN
Bore Diameter1.750 INCHES NOMINAL IN
Pressure Rating800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Compressed Length9.000 INCHES NOMINAL IN
Integral Valve Operation MethodHYDRAULIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2940-00-946-466942055 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
AP-57 PRIMARY Prince Manufacturing Corporation (USA)
Related Parts
2940-00-946-4669INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42055

Frequently Asked Questions

What is NSN 3040-01-389-9612?

NSN 3040-01-389-9612 is a Cylinder Assembly,actuating,line, manufactured by Prince Manufacturing Corporation, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-389-9612?

NSN 3040-01-389-9612 has 1 cross-referenced part number: AP-57 (Prince Manufacturing Corporation).

What NSN replaces 3040-01-389-9612?

There is 1 known substitute for 3040-01-389-9612: 2940-00-946-4669. Verify interchangeability with system specifications before substitution.

What are the specifications of AP-57?

Key specifications for AP-57: Extended Length: 17.000 INCHES NOMINAL IN; Bore Diameter: 1.750 INCHES NOMINAL IN; Pressure Rating: 800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Compressed Length: 9.000 INCHES NOMINAL IN. 5 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