PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

687596Cylinder Assembly,actuating,line

Caterpillar Inc Div Caterpillar Defense · NSN 3040-01-151-3974 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-151-3974 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-151-3974. Primary manufacturer part number: 687596.
Features
  • Cylinder Assembly,actuating,line — FSC 3040
  • Integral Valve Operation Method: HYDRAULIC
  • 1 verified cross-reference
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
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 3040-01-151-3974, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-151-3974
Primary Part Number687596
Item NameCylinder Assembly,actuating,line
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Integral Valve Operation MethodHYDRAULIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5925-00-270-5944687596 INTERCHANGEABLE
Circuit Breaker
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6635-01-391-4785 INTERCHANGEABLE
Film,radiographic
Cross-Reference Index
Part NumberManufacturer
687596 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5925-00-270-5944INTERCHANGEABLE
CIRCUIT BREAKER
687596
6635-01-391-4785INTERCHANGEABLE
FILM,RADIOGRAPHIC

Frequently Asked Questions

What is NSN 3040-01-151-3974?

NSN 3040-01-151-3974 is a Cylinder Assembly,actuating,line, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-151-3974?

NSN 3040-01-151-3974 has 1 cross-referenced part number: 687596 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3040-01-151-3974?

There are 2 known substitutes for 3040-01-151-3974: 5925-00-270-5944, 6635-01-391-4785. Verify interchangeability with system specifications before substitution.

What are the specifications of 687596?

Key specifications for 687596: Integral Valve Operation Method: HYDRAULIC; End Item Identification: CATERPILLAR FORKLIFT TRUCK MODEL NO. V160,V180,V200,V225,V30C,V40,AND V50. 2 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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