PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N18197Piston,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-465-9943 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-465-9943 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-465-9943. Primary manufacturer part number: N18197.
Features
  • Piston,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 Piston,valve, cataloged under National Stock Number 4820-01-465-9943, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-465-9943
Primary Part NumberN18197
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5340-00-022-0693NAS816-75 INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5950-00-072-4231579R138H01 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5331-00-165-1948AS3209-230 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
3750-00-255-77331838000 INTERCHANGEABLE
Fork,manure,hand
Ames True Temper, Inc. Dba Ames True Temper
2530-00-524-9191F18197 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4820-01-412-2030DN-5 22A5J2PL INTERCHANGEABLE
Valve,diaphragm,stop
Leslie Controls, Inc. Dba Leslie Controls Inc
4810-01-465-668722679N PC 1 INTERCHANGEABLE
Actuator,electro-Pneumatic
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-524-4410526270058 INTERCHANGEABLE
Valve,plug
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-524-4419328334175 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
18197 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N18197 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
22679N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5340-00-022-0693INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS816-75
5950-00-072-4231INTERCHANGEABLE
COIL,RADIO FREQUENCY
579R138H01
5331-00-165-1948INTERCHANGEABLE
O-RING
AS3209-230
3750-00-255-7733INTERCHANGEABLE
FORK,MANURE,HAND
1838000
2530-00-524-9191INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F18197
4820-01-412-2030INTERCHANGEABLE
VALVE,DIAPHRAGM,STOP
DN-5 22A5J2PL
4810-01-465-6687INTERCHANGEABLE
ACTUATOR,ELECTRO-PNEUMATIC
22679N PC 1
4820-01-524-4410INTERCHANGEABLE
VALVE,PLUG
526270058
4820-01-524-4419INTERCHANGEABLE
CAP,VALVE
328334175

Frequently Asked Questions

What is NSN 4820-01-465-9943?

NSN 4820-01-465-9943 is a Piston,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 4820-01-465-9943?

NSN 4820-01-465-9943 has 3 cross-referenced part numbers: 18197 (Leslie Controls, Inc. Dba Leslie Controls Inc), N18197 (Leslie Controls, Inc. Dba Leslie Controls Inc), 22679N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-465-9943?

There are 9 known substitutes for 4820-01-465-9943: 5340-00-022-0693, 5950-00-072-4231, 5331-00-165-1948 and 6 more. Verify interchangeability with system specifications before substitution.

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