PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42225Cap,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-504-2818 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-504-2818 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-504-2818. Primary manufacturer part number: 42225.
Features
  • Cap,valve — FSC 4820
  • 3 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 Cap,valve, cataloged under National Stock Number 4820-01-504-2818, 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 3 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: Active.

Catalog Facts
Item NameCap,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-504-2818
Primary Part Number42225
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2940-00-423-092542225 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
3455-00-516-315117613 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5945-00-612-9319 INTERCHANGEABLE
Relay,thermal
5950-00-776-3305470576-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
4820-01-233-483730254 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4210-01-278-088142225 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
Tyco Fire Products Lp
4820-01-278-6225N23949 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
5950-01-457-959842225 INTERCHANGEABLE
Reactor
Pico Electronics Inc
Cross-Reference Index
Part NumberManufacturer
42225 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21509N PC 32A P/N 42225 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21509N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
2940-00-423-0925INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42225
3455-00-516-3151INTERCHANGEABLE
CUTTER,MILLING,END
17613
5945-00-612-9319INTERCHANGEABLE
RELAY,THERMAL
5950-00-776-3305INTERCHANGEABLE
TRANSFORMER,POWER
470576-1
4820-01-233-4837INTERCHANGEABLE
STEM,FLUID VALVE
30254
4210-01-278-0881INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
42225
4820-01-278-6225INTERCHANGEABLE
STEM,FLUID VALVE
N23949
4810-01-278-6253INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,LIN
Y008353913
4820-01-367-7559INTERCHANGEABLE
STEM,FLUID VALVE
42183
5950-01-457-9598INTERCHANGEABLE
REACTOR
42225
4820-01-466-6430INTERCHANGEABLE
DISK,VALVE
N42152
4820-01-466-6514INTERCHANGEABLE
RETAINER,DISK,VALVE
58427

Frequently Asked Questions

What is NSN 4820-01-504-2818?

NSN 4820-01-504-2818 is a Cap,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-504-2818?

NSN 4820-01-504-2818 has 3 cross-referenced part numbers: 42225 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21509N PC 32A P/N 42225 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21509N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-504-2818?

There are 12 known substitutes for 4820-01-504-2818: 2940-00-423-0925, 3455-00-516-3151, 5945-00-612-9319 and 9 more. Verify interchangeability with system specifications before substitution.

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