PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8544Seat,orifice

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division · NSN 4820-00-144-3183 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-144-3183 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-144-3183. Primary manufacturer part number: 8544.
Features
  • Seat,orifice — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Seat,orifice, cataloged under National Stock Number 4820-00-144-3183, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,orifice
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (CAGE 82271)
Technical Specifications
ParameterValue
NSN4820-00-144-3183
Primary Part Number8544
Item NameSeat,orifice
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-146-0710T-8544 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
7050-00-413-22468392 INTERCHANGEABLE
Converter,digital to Analog
Analog Devices, Inc. Div Corporate Headquarters
5961-00-439-08718544 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Carlisle & Finch Co
4920-00-490-25158544 INTERCHANGEABLE
Window,synchro Angl
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
3020-00-863-43208544 INTERCHANGEABLE
Gear,screw Jack
Cef Industries Inc Environ Div
3020-00-863-43218544 INTERCHANGEABLE
Pinion,screw Jack
Cef Industries Inc Environ Div
4820-01-130-8816A6794.025.132 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-131-2342D5OFF-03-2 1/2IN INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
5310-01-199-2290 INTERCHANGEABLE
Nut,self-Locking,hexagon
4820-01-199-4474E8544C41M INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Cross-Reference Index
Part NumberManufacturer
8544 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA)
Related Parts
2990-00-146-0710INTERCHANGEABLE
MUFFLER,EXHAUST
T-8544
7050-00-413-2246INTERCHANGEABLE
CONVERTER,DIGITAL TO ANALOG
8392
5961-00-439-0871INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
8544
4920-00-490-2515INTERCHANGEABLE
WINDOW,SYNCHRO ANGL
8544
3020-00-863-4320INTERCHANGEABLE
GEAR,SCREW JACK
8544
3020-00-863-4321INTERCHANGEABLE
PINION,SCREW JACK
8544
4820-01-130-8816INTERCHANGEABLE
STEM,FLUID VALVE
A6794.025.132
4820-01-131-2342INTERCHANGEABLE
VALVE,SAFETY RELIEF
D5OFF-03-2 1/2IN
5310-01-199-2290INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4820-01-199-4474INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8544C41M
5996-01-207-8030INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
1680-01-218-2079INTERCHANGEABLE
GEAR BOX,FLAP JK-SC
8544

Frequently Asked Questions

What is NSN 4820-00-144-3183?

NSN 4820-00-144-3183 is a Seat,orifice, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-144-3183?

NSN 4820-00-144-3183 has 1 cross-referenced part number: 8544 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division).

What NSN replaces 4820-00-144-3183?

There are 12 known substitutes for 4820-00-144-3183: 2990-00-146-0710, 7050-00-413-2246, 5961-00-439-0871 and 9 more. Verify interchangeability with system specifications before substitution.

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