PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N23949Stem,fluid Valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-278-6225 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-278-6225 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-6225. Primary manufacturer part number: N23949.
Features
  • Stem,fluid Valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-278-6225, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. This item has 4 commercial cross-references 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: Cancelled.

Catalog Facts
Item NameStem,fluid Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-278-6225
Primary Part NumberN23949
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-01-077-9759N0398 2-130 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
4820-01-233-483730254 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4810-01-278-6253Y008353913 INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,lin
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-367-755942183 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-466-6430N42152 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-466-651458427 INTERCHANGEABLE
Retainer,disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3040-01-466-668531434 INTERCHANGEABLE
Collar,shaft
Leslie Controls, Inc. Dba Leslie Controls Inc
3040-01-466-712631772 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-466-713234702 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5307-01-468-769728154 INTERCHANGEABLE
Stud,plain
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
N23949 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
23949 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
DWG/21509N PC 11 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21509N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5331-01-077-9759INTERCHANGEABLE
O-RING
N0398 2-130
4820-01-233-4837INTERCHANGEABLE
STEM,FLUID VALVE
30254
4810-01-278-6253INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,LIN
Y008353913
4820-01-367-7559INTERCHANGEABLE
STEM,FLUID VALVE
42183
4820-01-466-6430INTERCHANGEABLE
DISK,VALVE
N42152
4820-01-466-6514INTERCHANGEABLE
RETAINER,DISK,VALVE
58427
3040-01-466-6685INTERCHANGEABLE
COLLAR,SHAFT
31434
3040-01-466-7126INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
31772
4820-01-466-7132INTERCHANGEABLE
CAP,VALVE
34702
5307-01-468-7697INTERCHANGEABLE
STUD,PLAIN
28154
4810-01-485-1092INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,LIN
56847
4820-01-503-0397INTERCHANGEABLE
STOP,TRAVEL
36351

Frequently Asked Questions

What is NSN 4820-01-278-6225?

NSN 4820-01-278-6225 is a Stem,fluid Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-278-6225?

NSN 4820-01-278-6225 has 4 cross-referenced part numbers: N23949 (Leslie Controls, Inc. Dba Leslie Controls Inc), 23949 (Leslie Controls, Inc. Dba Leslie Controls Inc), DWG/21509N PC 11 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21509N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-278-6225?

There are 12 known substitutes for 4820-01-278-6225: 5331-01-077-9759, 4820-01-233-4837, 4810-01-278-6253 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-278-6225 still in active supply?

NSN 4820-01-278-6225 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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