PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4J9323Valve,linear,directional Control

Caterpillar Inc Div Caterpillar Defense · NSN 4820-00-050-8149 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-050-8149 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-050-8149. Primary manufacturer part number: 4J9323.
Features
  • Valve,linear,directional Control — FSC 4820
  • Departure From Cited Document: PARA 3.28.5 HYDRAULIC CONTROL VALVES
  • 6 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-050-8149, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves 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 6 commercial cross-references from 6 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
NSN4820-00-050-8149
Primary Part Number4J9323
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Departure From Cited DocumentPARA 3.28.5 HYDRAULIC CONTROL VALVES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2420-00-088-6686 INTERCHANGEABLE
Tractor,wheeled,industrial
2420-00-088-9384 INTERCHANGEABLE
Tractor,wheeled,industrial
2420-00-930-5999 INTERCHANGEABLE
Tractor,wheeled,industrial
2840-00-989-8591565031 INTERCHANGEABLE
Adjuster,afterburner Power Linka
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
565031 Volvo Construction Equipment North America, Llc (USA)
4J9323 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
565031 Clark Equipment Co (USA)
565031 Vme Americas Inc Sub of Vme Group N V (USA)
643164 New Holland Construction (USA)
MILT52272 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2420-00-088-6686INTERCHANGEABLE
TRACTOR,WHEELED,INDUSTRIAL
2420-00-088-9384INTERCHANGEABLE
TRACTOR,WHEELED,INDUSTRIAL
2420-00-930-5999INTERCHANGEABLE
TRACTOR,WHEELED,INDUSTRIAL
2840-00-989-8591INTERCHANGEABLE
ADJUSTER,AFTERBURNER POWER LINKA
565031

Frequently Asked Questions

What is NSN 4820-00-050-8149?

NSN 4820-00-050-8149 is a Valve,linear,directional Control, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-050-8149?

NSN 4820-00-050-8149 has 6 cross-referenced part numbers: 565031 (Volvo Construction Equipment North America, Llc), 4J9323 (Caterpillar Inc Div Caterpillar Defense), 565031 (Clark Equipment Co), 565031 (Vme Americas Inc Sub of Vme Group N V), 643164 (New Holland Construction) and 1 more.

What NSN replaces 4820-00-050-8149?

There are 4 known substitutes for 4820-00-050-8149: 2420-00-088-6686, 2420-00-088-9384, 2420-00-930-5999 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4J9323?

Key specifications for 4J9323: Departure From Cited Document: PARA 3.28.5 HYDRAULIC CONTROL VALVES; End Item Identification: 24200889384; Special Features: FOUR-WAY,3 SPOOLS SPRING CTR,STEEL BODY,HYDRAULIC,85.0 GPM,2000.0 PSI OPERATING PRESSURE,150.0 DEG F TEMP RATING DEGF. 3 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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