PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N440400059Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-368-1572 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-368-1572 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-368-1572. Primary manufacturer part number: N440400059.
Features
  • Disk,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 Disk,valve, cataloged under National Stock Number 4820-01-368-1572, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDisk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-368-1572
Primary Part NumberN440400059
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-162-0181N533910059 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-196-1353A44040 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-274-842243877-00-58 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-366-7331577560059 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
18500N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
18500N PART 440400059 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N440400059 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
440400059 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-01-162-0181INTERCHANGEABLE
DISK,VALVE
N533910059
4820-01-196-1353INTERCHANGEABLE
STEM,FLUID VALVE
A44040
4820-01-274-8422INTERCHANGEABLE
SEAT,VALVE
43877-00-58
4820-01-366-7331INTERCHANGEABLE
DISK,VALVE
577560059

Frequently Asked Questions

What is NSN 4820-01-368-1572?

NSN 4820-01-368-1572 is a Disk,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 4820-01-368-1572?

NSN 4820-01-368-1572 has 4 cross-referenced part numbers: 18500N (Leslie Controls, Inc. Dba Leslie Controls Inc), 18500N PART 440400059 (Leslie Controls, Inc. Dba Leslie Controls Inc), N440400059 (Leslie Controls, Inc. Dba Leslie Controls Inc), 440400059 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-368-1572?

There are 4 known substitutes for 4820-01-368-1572: 4820-01-162-0181, 4820-01-196-1353, 4820-01-274-8422 and 1 more. Verify interchangeability with system specifications before substitution.

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